diff --git a/src/Magnum/SceneTools/Test/SceneConverterImplementationTest.cpp b/src/Magnum/SceneTools/Test/SceneConverterImplementationTest.cpp
index 507f729a9..4b8b96ed7 100644
--- a/src/Magnum/SceneTools/Test/SceneConverterImplementationTest.cpp
+++ b/src/Magnum/SceneTools/Test/SceneConverterImplementationTest.cpp
@@ -735,13 +735,23 @@ void SceneConverterImplementationTest::infoMeshesBounds() {
                     Trade::MeshAttributeData{Trade::MeshAttribute::Tangent, Containers::arrayView(vertexData->tangent)},
                     Trade::MeshAttributeData{Trade::MeshAttribute::Bitangent, Containers::arrayView(vertexData->bitangent)},
                     Trade::MeshAttributeData{Trade::MeshAttribute::ObjectId, Containers::arrayView(vertexData->objectId)},
-                    Trade::MeshAttributeData{Trade::MeshAttribute::Normal, Containers::arrayView(vertexData->normal)},
+                    Trade::MeshAttributeData{Trade::MeshAttribute::Normal, VertexFormat::Vector3bNormalized, Containers::arrayView(vertexData->normal)},
+                    /* This has the same data as Normal, but it won't have its
+                       bounds printed as it's custom -- there it's unknown what
+                       the canonical type should be and printing a range of
+                       an arbitrary packed type is useless in most cases */
+                    Trade::MeshAttributeData{Trade::meshAttributeCustom(25), Containers::arrayView(vertexData->normal)},
                     Trade::MeshAttributeData{Trade::MeshAttribute::TextureCoordinates, Containers::arrayView(vertexData->textureCoordinates)},
                     Trade::MeshAttributeData{Trade::MeshAttribute::Color, Containers::arrayView(vertexData->color)},
                     Trade::MeshAttributeData{Trade::MeshAttribute::ObjectId, Containers::arrayView(vertexData->objectIdSecondary)},
                 }};
         }
 
+        Containers::String doMeshAttributeName(UnsignedShort name) override {
+            if(name == 25) return "NormalButCustomSoNoBoundsPrinted";
+            return "";
+        }
+
         UnsignedByte indexData[3]{15, 3, 176};
 
         struct {
@@ -749,7 +759,7 @@ void SceneConverterImplementationTest::infoMeshesBounds() {
             Vector3 tangent[2];
             Vector3 bitangent[2];
             UnsignedShort objectId[2];
-            Vector3 normal[2];
+            Vector3b normal[2];
             Vector2 textureCoordinates[2];
             Vector4 color[2];
             UnsignedInt objectIdSecondary[2];
@@ -758,7 +768,7 @@ void SceneConverterImplementationTest::infoMeshesBounds() {
             {{0.2f, -0.2f, 0.8f}, {0.3f, 0.8f, 0.2f}},
             {{0.4f, 0.2f, 1.0f}, {0.3f, 0.9f, 0.0f}},
             {155, 12},
-            {{0.0f, 1.0f, 0.0f}, {1.0f, 0.0f, 1.0f}},
+            {{0, 127, 0}, {-127, 0, 127}},
             {{0.5f, 0.5f}, {1.5f, 0.5f}},
             {0x99336600_rgbaf, 0xff663333_rgbaf},
             {15, 337},
diff --git a/src/Magnum/SceneTools/Test/SceneConverterImplementationTestFiles/info-meshes-bounds.txt b/src/Magnum/SceneTools/Test/SceneConverterImplementationTestFiles/info-meshes-bounds.txt
index e5195e9f7..e80e1226a 100644
--- a/src/Magnum/SceneTools/Test/SceneConverterImplementationTestFiles/info-meshes-bounds.txt
+++ b/src/Magnum/SceneTools/Test/SceneConverterImplementationTestFiles/info-meshes-bounds.txt
@@ -1,5 +1,5 @@
 Mesh 0:
-  Level 0: 2 vertices @ Lines (0.2 kB, {})
+  Level 0: 2 vertices @ Lines (0.1 kB, {})
     Position @ Vector3, offset 0, stride 12
       Bounds: ({0.1, -0.1, -0.2}, {0.2, 0, 0.2})
     Tangent @ Vector3, offset 24, stride 12
@@ -8,14 +8,15 @@ Mesh 0:
       Bounds: ({0.3, 0.2, 0}, {0.4, 0.9, 1})
     ObjectId @ UnsignedShort, offset 72, stride 2
       Bounds: (12, 155)
-    Normal @ Vector3, offset 76, stride 12
-      Bounds: ({0, 0, 0}, {1, 1, 1})
-    TextureCoordinates @ Vector2, offset 100, stride 8
+    Normal @ Vector3bNormalized, offset 76, stride 3
+      Bounds: ({-1, 0, 0}, {0, 1, 1})
+    Custom(25:NormalButCustomSoNoBoundsPrinted) @ Vector3b, offset 76, stride 3
+    TextureCoordinates @ Vector2, offset 84, stride 8
       Bounds: ({0.5, 0.5}, {1.5, 0.5})
-    Color @ Vector4, offset 116, stride 16
+    Color @ Vector4, offset 100, stride 16
       Bounds: ({0.6, 0.2, 0.2, 0}, {1, 0.4, 0.4, 0.2})
-    ObjectId @ UnsignedInt, offset 148, stride 4
+    ObjectId @ UnsignedInt, offset 132, stride 4
       Bounds: (15, 337)
     3 indices @ UnsignedByte, offset 0, stride 1 (0.0 kB, {})
       Bounds: (3, 176)
-Total mesh data size: 0.2 kB
+Total mesh data size: 0.1 kB