diff --git a/src/Magnum/Trade/AbstractImporter.cpp b/src/Magnum/Trade/AbstractImporter.cpp
index f63e0b63f..a35976ae1 100644
--- a/src/Magnum/Trade/AbstractImporter.cpp
+++ b/src/Magnum/Trade/AbstractImporter.cpp
@@ -621,7 +621,7 @@ std::string AbstractImporter::doObject2DName(const UnsignedInt id) {
            _cachedScenes->scenes[i]->mappingBound() <= id)
             continue;
 
-        if(Containers::Optional<Int> parent = _cachedScenes->scenes[i]->parentFor(id))
+        if(Containers::Optional<Long> parent = _cachedScenes->scenes[i]->parentFor(id))
             return doObjectName(*parent);
     }
 
@@ -678,7 +678,7 @@ Containers::Pointer<ObjectData2D> AbstractImporter::doObject2D(const UnsignedInt
 
     std::vector<UnsignedInt> children; /* not const so we can move it */
     {
-        Containers::Array<UnsignedInt> childrenArray = scene.childrenFor(id);
+        Containers::Array<UnsignedLong> childrenArray = scene.childrenFor(id);
         children = {childrenArray.begin(), childrenArray.end()};
     }
     const Containers::Array<Containers::Pair<UnsignedInt, Int>> mesh = scene.meshesMaterialsFor(id);
@@ -799,7 +799,7 @@ std::string AbstractImporter::doObject3DName(const UnsignedInt id) {
            _cachedScenes->scenes[i]->mappingBound() <= id)
             continue;
 
-        if(Containers::Optional<Int> parent = _cachedScenes->scenes[i]->parentFor(id))
+        if(Containers::Optional<Long> parent = _cachedScenes->scenes[i]->parentFor(id))
             return doObjectName(*parent);
     }
 
@@ -856,7 +856,7 @@ Containers::Pointer<ObjectData3D> AbstractImporter::doObject3D(const UnsignedInt
 
     std::vector<UnsignedInt> children; /* not const so we can move it */
     {
-        Containers::Array<UnsignedInt> childrenArray = scene.childrenFor(id);
+        Containers::Array<UnsignedLong> childrenArray = scene.childrenFor(id);
         children = {childrenArray.begin(), childrenArray.end()};
     }
     const Containers::Array<Containers::Pair<UnsignedInt, Int>> mesh = scene.meshesMaterialsFor(id);
diff --git a/src/Magnum/Trade/SceneData.cpp b/src/Magnum/Trade/SceneData.cpp
index a2ad3a325..97294045a 100644
--- a/src/Magnum/Trade/SceneData.cpp
+++ b/src/Magnum/Trade/SceneData.cpp
@@ -895,7 +895,7 @@ namespace {
 
 /* The `objects` view is already adjusted for `offset`, the offset is needed
    only to return the correct value for ImplicitMapping */
-template<class T> std::size_t findObject(const SceneFieldFlags flags, const Containers::StridedArrayView1D<const void>& mapping, const std::size_t offset, const UnsignedInt object) {
+template<class T> std::size_t findObject(const SceneFieldFlags flags, const Containers::StridedArrayView1D<const void>& mapping, const std::size_t offset, const UnsignedLong object) {
     const std::size_t max = mapping.size();
 
     /* Implicit mapping, position equals object ID (if in bounds) and thus an
@@ -926,7 +926,7 @@ template<class T> std::size_t findObject(const SceneFieldFlags flags, const Cont
 
 }
 
-std::size_t SceneData::findFieldObjectOffsetInternal(const SceneFieldData& field, const UnsignedInt object, const std::size_t offset) const {
+std::size_t SceneData::findFieldObjectOffsetInternal(const SceneFieldData& field, const UnsignedLong object, const std::size_t offset) const {
     const Containers::StridedArrayView1D<const void> mapping = fieldDataMappingViewInternal(field, offset, field._size - offset);
     if(field._mappingType == SceneMappingType::UnsignedInt)
         return offset + findObject<UnsignedInt>(field._flags, mapping, offset, object);
@@ -939,7 +939,7 @@ std::size_t SceneData::findFieldObjectOffsetInternal(const SceneFieldData& field
     else CORRADE_INTERNAL_ASSERT_UNREACHABLE(); /* LCOV_EXCL_LINE */
 }
 
-Containers::Optional<std::size_t> SceneData::findFieldObjectOffset(const UnsignedInt fieldId, const UnsignedInt object, const std::size_t offset) const {
+Containers::Optional<std::size_t> SceneData::findFieldObjectOffset(const UnsignedInt fieldId, const UnsignedLong object, const std::size_t offset) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::findFieldObjectOffset(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
     CORRADE_ASSERT(fieldId < _fields.size(),
@@ -953,7 +953,7 @@ Containers::Optional<std::size_t> SceneData::findFieldObjectOffset(const Unsigne
     return found == field._size ? Containers::Optional<std::size_t>{} : found;
 }
 
-Containers::Optional<std::size_t> SceneData::findFieldObjectOffset(const SceneField fieldName, const UnsignedInt object, const std::size_t offset) const {
+Containers::Optional<std::size_t> SceneData::findFieldObjectOffset(const SceneField fieldName, const UnsignedLong object, const std::size_t offset) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::findFieldObjectOffset(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -969,7 +969,7 @@ Containers::Optional<std::size_t> SceneData::findFieldObjectOffset(const SceneFi
     return found == field._size ? Containers::Optional<std::size_t>{} : found;
 }
 
-std::size_t SceneData::fieldObjectOffset(const UnsignedInt fieldId, const UnsignedInt object, const std::size_t offset) const {
+std::size_t SceneData::fieldObjectOffset(const UnsignedInt fieldId, const UnsignedLong object, const std::size_t offset) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::fieldObjectOffset(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
     CORRADE_ASSERT(fieldId < _fields.size(),
@@ -985,7 +985,7 @@ std::size_t SceneData::fieldObjectOffset(const UnsignedInt fieldId, const Unsign
     return found;
 }
 
-std::size_t SceneData::fieldObjectOffset(const SceneField fieldName, const UnsignedInt object, const std::size_t offset) const {
+std::size_t SceneData::fieldObjectOffset(const SceneField fieldName, const UnsignedLong object, const std::size_t offset) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::fieldObjectOffset(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -1003,7 +1003,7 @@ std::size_t SceneData::fieldObjectOffset(const SceneField fieldName, const Unsig
     return found;
 }
 
-bool SceneData::hasFieldObject(const UnsignedInt fieldId, const UnsignedInt object) const {
+bool SceneData::hasFieldObject(const UnsignedInt fieldId, const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::hasFieldObject(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
     CORRADE_ASSERT(fieldId < _fields.size(),
@@ -1013,7 +1013,7 @@ bool SceneData::hasFieldObject(const UnsignedInt fieldId, const UnsignedInt obje
     return findFieldObjectOffsetInternal(field, object, 0) != field._size;
 }
 
-bool SceneData::hasFieldObject(const SceneField fieldName, const UnsignedInt object) const {
+bool SceneData::hasFieldObject(const SceneField fieldName, const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::hasFieldObject(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2122,7 +2122,7 @@ Containers::Array<Containers::Pair<UnsignedInt, const void*>> SceneData::importe
     return out;
 }
 
-Containers::Optional<Int> SceneData::parentFor(const UnsignedInt object) const {
+Containers::Optional<Long> SceneData::parentFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::parentFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2138,7 +2138,7 @@ Containers::Optional<Int> SceneData::parentFor(const UnsignedInt object) const {
     return *index;
 }
 
-Containers::Array<UnsignedInt> SceneData::childrenFor(const Int object) const {
+Containers::Array<UnsignedLong> SceneData::childrenFor(const Long object) const {
     CORRADE_ASSERT(object >= -1 && object < Long(_mappingBound),
         "Trade::SceneData::childrenFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2148,11 +2148,15 @@ Containers::Array<UnsignedInt> SceneData::childrenFor(const Int object) const {
     const SceneFieldData& parentField = _fields[parentFieldId];
 
     /* Collect IDs of all objects that reference this object */
-    Containers::Array<UnsignedInt> out;
+    Containers::Array<UnsignedLong> out;
     for(std::size_t offset = 0; offset != parentField.size(); ++offset) {
         Int parentIndex[1];
         parentsIntoInternal(parentFieldId, offset, parentIndex);
         if(*parentIndex == object) {
+            /** @todo this drops the upper 64 bits, might be a problem
+                eventually (at this point it's more important to have an API
+                that won't change the return types in the future, breaking
+                existing code) */
             UnsignedInt child[1];
             /** @todo bleh slow, use the children <-> parent field proxying
                 when implemented */
@@ -2164,7 +2168,7 @@ Containers::Array<UnsignedInt> SceneData::childrenFor(const Int object) const {
     return out;
 }
 
-Containers::Optional<Matrix3> SceneData::transformation2DFor(const UnsignedInt object) const {
+Containers::Optional<Matrix3> SceneData::transformation2DFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::transformation2DFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2185,7 +2189,7 @@ Containers::Optional<Matrix3> SceneData::transformation2DFor(const UnsignedInt o
     return *transformation;
 }
 
-Containers::Optional<Containers::Triple<Vector2, Complex, Vector2>> SceneData::translationRotationScaling2DFor(const UnsignedInt object) const {
+Containers::Optional<Containers::Triple<Vector2, Complex, Vector2>> SceneData::translationRotationScaling2DFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::translationRotationScaling2DFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2208,7 +2212,7 @@ Containers::Optional<Containers::Triple<Vector2, Complex, Vector2>> SceneData::t
     return {InPlaceInit, *translation, *rotation, *scaling};
 }
 
-Containers::Optional<Matrix4> SceneData::transformation3DFor(const UnsignedInt object) const {
+Containers::Optional<Matrix4> SceneData::transformation3DFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::transformation3DFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2229,7 +2233,7 @@ Containers::Optional<Matrix4> SceneData::transformation3DFor(const UnsignedInt o
     return *transformation;
 }
 
-Containers::Optional<Containers::Triple<Vector3, Quaternion, Vector3>> SceneData::translationRotationScaling3DFor(const UnsignedInt object) const {
+Containers::Optional<Containers::Triple<Vector3, Quaternion, Vector3>> SceneData::translationRotationScaling3DFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::translationRotationScaling3DFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2252,7 +2256,7 @@ Containers::Optional<Containers::Triple<Vector3, Quaternion, Vector3>> SceneData
     return {InPlaceInit, *translation, *rotation, *scaling};
 }
 
-Containers::Array<Containers::Pair<UnsignedInt, Int>> SceneData::meshesMaterialsFor(const UnsignedInt object) const {
+Containers::Array<Containers::Pair<UnsignedInt, Int>> SceneData::meshesMaterialsFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::meshesMaterialsFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2276,7 +2280,7 @@ Containers::Array<Containers::Pair<UnsignedInt, Int>> SceneData::meshesMaterials
     return out;
 }
 
-Containers::Array<UnsignedInt> SceneData::lightsFor(const UnsignedInt object) const {
+Containers::Array<UnsignedInt> SceneData::lightsFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::lightsFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2299,7 +2303,7 @@ Containers::Array<UnsignedInt> SceneData::lightsFor(const UnsignedInt object) co
     return out;
 }
 
-Containers::Array<UnsignedInt> SceneData::camerasFor(const UnsignedInt object) const {
+Containers::Array<UnsignedInt> SceneData::camerasFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::camerasFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2322,7 +2326,7 @@ Containers::Array<UnsignedInt> SceneData::camerasFor(const UnsignedInt object) c
     return out;
 }
 
-Containers::Array<UnsignedInt> SceneData::skinsFor(const UnsignedInt object) const {
+Containers::Array<UnsignedInt> SceneData::skinsFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::skinsFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2345,7 +2349,7 @@ Containers::Array<UnsignedInt> SceneData::skinsFor(const UnsignedInt object) con
     return out;
 }
 
-Containers::Optional<const void*> SceneData::importerStateFor(const UnsignedInt object) const {
+Containers::Optional<const void*> SceneData::importerStateFor(const UnsignedLong object) const {
     CORRADE_ASSERT(object < _mappingBound,
         "Trade::SceneData::importerStateFor(): object" << object << "out of bounds for" << _mappingBound << "objects", {});
 
@@ -2370,7 +2374,7 @@ std::vector<UnsignedInt> SceneData::children2D() const {
     if(!hasField(SceneField::Parent))
         Warning{} << "Trade::SceneData::children2D(): no parent field present, returned array will be empty";
 
-    const Containers::Array<UnsignedInt> children = childrenFor(-1);
+    const Containers::Array<UnsignedLong> children = childrenFor(-1);
     return {children.begin(), children.end()};
 }
 
@@ -2382,7 +2386,7 @@ std::vector<UnsignedInt> SceneData::children3D() const {
     if(!hasField(SceneField::Parent))
         Warning{} << "Trade::SceneData::children3D(): no parent field present, returned array will be empty";
 
-    const Containers::Array<UnsignedInt> children = childrenFor(-1);
+    const Containers::Array<UnsignedLong> children = childrenFor(-1);
     return {children.begin(), children.end()};
 }
 #endif
diff --git a/src/Magnum/Trade/SceneData.h b/src/Magnum/Trade/SceneData.h
index 53feab568..bf3cd4d91 100644
--- a/src/Magnum/Trade/SceneData.h
+++ b/src/Magnum/Trade/SceneData.h
@@ -1510,7 +1510,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * @see @ref hasFieldObject(UnsignedInt, UnsignedInt) const,
          *      @ref fieldObjectOffset(UnsignedInt, UnsignedInt, std::size_t) const
          */
-        Containers::Optional<std::size_t> findFieldObjectOffset(UnsignedInt fieldId, UnsignedInt object, std::size_t offset = 0) const;
+        Containers::Optional<std::size_t> findFieldObjectOffset(UnsignedInt fieldId, UnsignedLong object, std::size_t offset = 0) const;
 
         /**
          * @brief Find offset of an object in given named field
@@ -1532,7 +1532,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * @see @ref hasField(), @ref hasFieldObject(SceneField, UnsignedInt) const,
          *      @ref fieldObjectOffset(SceneField, UnsignedInt, std::size_t) const
          */
-        Containers::Optional<std::size_t> findFieldObjectOffset(SceneField fieldName, UnsignedInt object, std::size_t offset = 0) const;
+        Containers::Optional<std::size_t> findFieldObjectOffset(SceneField fieldName, UnsignedLong object, std::size_t offset = 0) const;
 
         /**
          * @brief Offset of an object in given field
@@ -1545,7 +1545,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * You can also use @ref fieldObjectOffset(SceneField, UnsignedInt, std::size_t) const
          * to directly get offset of an object in given named field.
          */
-        std::size_t fieldObjectOffset(UnsignedInt fieldId, UnsignedInt object, std::size_t offset = 0) const;
+        std::size_t fieldObjectOffset(UnsignedInt fieldId, UnsignedLong object, std::size_t offset = 0) const;
 
         /**
          * @brief Offset of an object in given named field
@@ -1555,7 +1555,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * but @p object is additionally expected to be present in @p fieldName
          * starting at @p offset.
          */
-        std::size_t fieldObjectOffset(SceneField fieldName, UnsignedInt object, std::size_t offset = 0) const;
+        std::size_t fieldObjectOffset(SceneField fieldName, UnsignedLong object, std::size_t offset = 0) const;
 
         /**
          * @brief Whether a scene field has given object
@@ -1564,7 +1564,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p fieldId is expected to be smaller than @ref fieldCount() and
          * @p object smaller than @ref mappingBound().
          */
-        bool hasFieldObject(UnsignedInt fieldId, UnsignedInt object) const;
+        bool hasFieldObject(UnsignedInt fieldId, UnsignedLong object) const;
 
         /**
          * @brief Whether a named scene field has given object
@@ -1574,7 +1574,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * be smaller than @ref mappingBound().
          * @see @ref hasField()
          */
-        bool hasFieldObject(SceneField fieldName, UnsignedInt object) const;
+        bool hasFieldObject(SceneField fieldName, UnsignedLong object) const;
 
         /**
          * @brief Field flags
@@ -2510,7 +2510,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p object is expected to be less than @ref mappingBound().
          * @see @ref childrenFor()
          */
-        Containers::Optional<Int> parentFor(UnsignedInt object) const;
+        Containers::Optional<Long> parentFor(UnsignedLong object) const;
 
         /**
          * @brief Children for given object
@@ -2531,7 +2531,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p object is expected to be less than @ref mappingBound().
          * @see @ref parentFor()
          */
-        Containers::Array<UnsignedInt> childrenFor(Int object) const;
+        Containers::Array<UnsignedLong> childrenFor(Long object) const;
 
         /**
          * @brief 2D transformation for given object
@@ -2557,7 +2557,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p object is expected to be less than @ref mappingBound().
          * @see @ref translationRotationScaling2DFor()
          */
-        Containers::Optional<Matrix3> transformation2DFor(UnsignedInt object) const;
+        Containers::Optional<Matrix3> transformation2DFor(UnsignedLong object) const;
 
         /**
          * @brief 2D translation, rotation and scaling for given object
@@ -2586,7 +2586,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p object is expected to be less than @ref mappingBound().
          * @see @ref transformation2DFor()
          */
-        Containers::Optional<Containers::Triple<Vector2, Complex, Vector2>> translationRotationScaling2DFor(UnsignedInt object) const;
+        Containers::Optional<Containers::Triple<Vector2, Complex, Vector2>> translationRotationScaling2DFor(UnsignedLong object) const;
 
         /**
          * @brief 3D transformation for given object
@@ -2612,7 +2612,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p object is expected to be less than @ref mappingBound().
          * @see @ref translationRotationScaling3DFor()
          */
-        Containers::Optional<Matrix4> transformation3DFor(UnsignedInt object) const;
+        Containers::Optional<Matrix4> transformation3DFor(UnsignedLong object) const;
 
         /**
          * @brief 3D translation, rotation and scaling for given object
@@ -2641,7 +2641,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          * The @p object is expected to be less than @ref mappingBound().
          * @see @ref transformation3DFor()
          */
-        Containers::Optional<Containers::Triple<Vector3, Quaternion, Vector3>> translationRotationScaling3DFor(UnsignedInt object) const;
+        Containers::Optional<Containers::Triple<Vector3, Quaternion, Vector3>> translationRotationScaling3DFor(UnsignedLong object) const;
 
         /**
          * @brief Meshes and materials for given object
@@ -2663,7 +2663,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          *
          * The @p object is expected to be less than @ref mappingBound().
          */
-        Containers::Array<Containers::Pair<UnsignedInt, Int>> meshesMaterialsFor(UnsignedInt object) const;
+        Containers::Array<Containers::Pair<UnsignedInt, Int>> meshesMaterialsFor(UnsignedLong object) const;
 
         /**
          * @brief Lights for given object
@@ -2681,7 +2681,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          *
          * The @p object is expected to be less than @ref mappingBound().
          */
-        Containers::Array<UnsignedInt> lightsFor(UnsignedInt object) const;
+        Containers::Array<UnsignedInt> lightsFor(UnsignedLong object) const;
 
         /**
          * @brief Cameras for given object
@@ -2700,7 +2700,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          *
          * The @p object is expected to be less than @ref mappingBound().
          */
-        Containers::Array<UnsignedInt> camerasFor(UnsignedInt object) const;
+        Containers::Array<UnsignedInt> camerasFor(UnsignedLong object) const;
 
         /**
          * @brief Skins for given object
@@ -2718,7 +2718,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          *
          * The @p object is expected to be less than @ref mappingBound().
          */
-        Containers::Array<UnsignedInt> skinsFor(UnsignedInt object) const;
+        Containers::Array<UnsignedInt> skinsFor(UnsignedLong object) const;
 
         /**
          * @brief Importer state for given object
@@ -2738,7 +2738,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
          *
          * The @p object is expected to be less than @ref mappingBound().
          */
-        Containers::Optional<const void*> importerStateFor(UnsignedInt object) const;
+        Containers::Optional<const void*> importerStateFor(UnsignedLong object) const;
 
         #ifdef MAGNUM_BUILD_DEPRECATED
         /**
@@ -2815,7 +2815,7 @@ class MAGNUM_TRADE_EXPORT SceneData {
         /* Returns the offset at which `object` is for field at index `id`, or
            the end offset if the object is not found. The returned offset can
            be then passed to fieldData{Mapping,Field}ViewInternal(). */
-        MAGNUM_TRADE_LOCAL std::size_t findFieldObjectOffsetInternal(const SceneFieldData& field, UnsignedInt object, std::size_t offset) const;
+        MAGNUM_TRADE_LOCAL std::size_t findFieldObjectOffsetInternal(const SceneFieldData& field, UnsignedLong object, std::size_t offset) const;
 
         /* Like objects() / field(), but returning just a 1D view, sliced from
            offset to offset + size. The parameterless overloads are equal to
diff --git a/src/Magnum/Trade/Test/SceneDataTest.cpp b/src/Magnum/Trade/Test/SceneDataTest.cpp
index 19a7978a0..395e03330 100644
--- a/src/Magnum/Trade/Test/SceneDataTest.cpp
+++ b/src/Magnum/Trade/Test/SceneDataTest.cpp
@@ -4985,25 +4985,25 @@ void SceneDataTest::childrenFor() {
 
     /* Just one child */
     CORRADE_COMPARE_AS(scene.childrenFor(3),
-        Containers::arrayView<UnsignedInt>({2}),
+        Containers::arrayView<UnsignedLong>({2}),
         TestSuite::Compare::Container);
 
     /* More */
     CORRADE_COMPARE_AS(scene.childrenFor(-1),
-        Containers::arrayView<UnsignedInt>({4, 0}),
+        Containers::arrayView<UnsignedLong>({4, 0}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE_AS(scene.childrenFor(4),
-        Containers::arrayView<UnsignedInt>({3, 1, 5}),
+        Containers::arrayView<UnsignedLong>({3, 1, 5}),
         TestSuite::Compare::Container);
 
     /* Object that is present in the parent array but has no children */
     CORRADE_COMPARE_AS(scene.childrenFor(5),
-        Containers::arrayView<UnsignedInt>({}),
+        Containers::arrayView<UnsignedLong>({}),
         TestSuite::Compare::Container);
 
     /* Object that is not in the parent array at all */
     CORRADE_COMPARE_AS(scene.childrenFor(6),
-        Containers::arrayView<UnsignedInt>({}),
+        Containers::arrayView<UnsignedLong>({}),
         TestSuite::Compare::Container);
 }
 
@@ -5024,17 +5024,17 @@ void SceneDataTest::childrenForTrivialParent() {
 
     /* Trivial children */
     CORRADE_COMPARE_AS(scene.childrenFor(-1),
-        Containers::arrayView<UnsignedInt>({3, 4, 2, 4}),
+        Containers::arrayView<UnsignedLong>({3, 4, 2, 4}),
         TestSuite::Compare::Container);
 
     /* Object that is present in the parent array but has no children */
     CORRADE_COMPARE_AS(scene.childrenFor(4),
-        Containers::arrayView<UnsignedInt>({}),
+        Containers::arrayView<UnsignedLong>({}),
         TestSuite::Compare::Container);
 
     /* Object that is not in the parent array */
     CORRADE_COMPARE_AS(scene.childrenFor(5),
-        Containers::arrayView<UnsignedInt>({}),
+        Containers::arrayView<UnsignedLong>({}),
         TestSuite::Compare::Container);
 }
 
@@ -5461,7 +5461,7 @@ void SceneDataTest::fieldForFieldMissing() {
 
     CORRADE_COMPARE(scene.parentFor(6), Containers::NullOpt);
     CORRADE_COMPARE_AS(scene.childrenFor(6),
-        Containers::arrayView<UnsignedInt>({}),
+        Containers::arrayView<UnsignedLong>({}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE(scene.transformation2DFor(6), Containers::NullOpt);
     CORRADE_COMPARE(scene.translationRotationScaling2DFor(6), Containers::NullOpt);
diff --git a/src/Magnum/Trade/Test/SceneToolsTest.cpp b/src/Magnum/Trade/Test/SceneToolsTest.cpp
index 807b1839e..aadad0f51 100644
--- a/src/Magnum/Trade/Test/SceneToolsTest.cpp
+++ b/src/Magnum/Trade/Test/SceneToolsTest.cpp
@@ -427,7 +427,7 @@ void SceneToolsTest::convertToSingleFunctionObjects() {
 
     /* Object 0 should have new children with "foo", as it has a light */
     CORRADE_COMPARE_AS(scene.childrenFor(0),
-        Containers::arrayView<UnsignedInt>({67}),
+        Containers::arrayView<UnsignedLong>({67}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE_AS(scene.lightsFor(0),
         Containers::arrayView<UnsignedInt>({15}),
@@ -435,7 +435,7 @@ void SceneToolsTest::convertToSingleFunctionObjects() {
 
     /* Object 1 should have a new child with "foo", as it has a light */
     CORRADE_COMPARE_AS(scene.childrenFor(1),
-        Containers::arrayView<UnsignedInt>({68}),
+        Containers::arrayView<UnsignedLong>({68}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE_AS(scene.lightsFor(1),
         Containers::arrayView<UnsignedInt>({23}),
@@ -444,7 +444,7 @@ void SceneToolsTest::convertToSingleFunctionObjects() {
     /* Object 2 should have a new child with the camera and "foo", as it has a
        mesh */
     CORRADE_COMPARE_AS(scene.childrenFor(2),
-        Containers::arrayView<UnsignedInt>({66, 69}),
+        Containers::arrayView<UnsignedLong>({66, 69}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE_AS(scene.meshesMaterialsFor(2),
         (Containers::arrayView<Containers::Pair<UnsignedInt, Int>>({{7, 2}})),
@@ -458,7 +458,7 @@ void SceneToolsTest::convertToSingleFunctionObjects() {
 
     /* Object 15 should have a new child that has the second mesh */
     CORRADE_COMPARE_AS(scene.childrenFor(15),
-        Containers::arrayView<UnsignedInt>({65}),
+        Containers::arrayView<UnsignedLong>({65}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE_AS(scene.meshesMaterialsFor(15),
         (Containers::arrayView<Containers::Pair<UnsignedInt, Int>>({{6, 4}})),
@@ -470,7 +470,7 @@ void SceneToolsTest::convertToSingleFunctionObjects() {
     /* Object 23 should have two new children that have the second and third
        mesh */
     CORRADE_COMPARE_AS(scene.childrenFor(23),
-        Containers::arrayView<UnsignedInt>({63, 64}),
+        Containers::arrayView<UnsignedLong>({63, 64}),
         TestSuite::Compare::Container);
     CORRADE_COMPARE_AS(scene.meshesMaterialsFor(23),
         (Containers::arrayView<Containers::Pair<UnsignedInt, Int>>({{1, 0}})),