diff --git a/src/MagnumPlugins/AnySceneImporter/Test/AnySceneImporterTest.cpp b/src/MagnumPlugins/AnySceneImporter/Test/AnySceneImporterTest.cpp
index ec24030bc..ad6ff74a3 100644
--- a/src/MagnumPlugins/AnySceneImporter/Test/AnySceneImporterTest.cpp
+++ b/src/MagnumPlugins/AnySceneImporter/Test/AnySceneImporterTest.cpp
@@ -41,6 +41,8 @@ struct AnySceneImporterTest: TestSuite::Tester {
 
     void obj();
 
+    void uppercase();
+
     void unknown();
 
     /* Explicitly forbid system-wide plugin dependencies */
@@ -49,7 +51,7 @@ struct AnySceneImporterTest: TestSuite::Tester {
 
 AnySceneImporterTest::AnySceneImporterTest() {
     addTests({&AnySceneImporterTest::obj,
-
+              &AnySceneImporterTest::uppercase,
               &AnySceneImporterTest::unknown});
 
     /* Load the plugin directly from the build tree. Otherwise it's static and
@@ -76,6 +78,19 @@ void AnySceneImporterTest::obj() {
     CORRADE_COMPARE(mesh->positions(0).size(), 3);
 }
 
+void AnySceneImporterTest::uppercase() {
+    if(!(_manager.loadState("ObjImporter") & PluginManager::LoadState::Loaded))
+        CORRADE_SKIP("ObjImporter plugin not enabled, cannot test");
+
+    Containers::Pointer<AbstractImporter> importer = _manager.instantiate("AnySceneImporter");
+    CORRADE_VERIFY(importer->openFile(UPPERCASE_OBJ_FILE));
+
+    /* Check only size, as it is good enough proof that it is working */
+    Containers::Optional<MeshData3D> mesh = importer->mesh3D(0);
+    CORRADE_VERIFY(mesh);
+    CORRADE_COMPARE(mesh->positions(0).size(), 3);
+}
+
 void AnySceneImporterTest::unknown() {
     std::ostringstream output;
     Error redirectError{&output};
diff --git a/src/MagnumPlugins/AnySceneImporter/Test/CMakeLists.txt b/src/MagnumPlugins/AnySceneImporter/Test/CMakeLists.txt
index 65dfb9264..17fed4b42 100644
--- a/src/MagnumPlugins/AnySceneImporter/Test/CMakeLists.txt
+++ b/src/MagnumPlugins/AnySceneImporter/Test/CMakeLists.txt
@@ -25,8 +25,10 @@
 
 if(CORRADE_TARGET_EMSCRIPTEN OR CORRADE_TARGET_ANDROID)
     set(OBJ_FILE pointMesh.obj)
+    set(UPPERCASE_OBJ_FILE uppercase.OBJ)
 else()
     set(OBJ_FILE ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/ObjImporter/Test/pointMesh.obj)
+    set(UPPERCASE_OBJ_FILE ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/ObjImporter/Test/uppercase.OBJ)
 endif()
 
 # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
@@ -52,7 +54,8 @@ endif()
 corrade_add_test(AnySceneImporterTest AnySceneImporterTest.cpp
     LIBRARIES MagnumTrade
     FILES
-        ../../ObjImporter/Test/pointMesh.obj)
+        ../../ObjImporter/Test/pointMesh.obj
+        ../../ObjImporter/Test/uppercase.OBJ)
 if(NOT BUILD_PLUGINS_STATIC)
     target_include_directories(AnySceneImporterTest PRIVATE $<TARGET_FILE_DIR:AnySceneImporterTest>)
 else()
diff --git a/src/MagnumPlugins/AnySceneImporter/Test/configure.h.cmake b/src/MagnumPlugins/AnySceneImporter/Test/configure.h.cmake
index 9a4bc6824..ea4a55038 100644
--- a/src/MagnumPlugins/AnySceneImporter/Test/configure.h.cmake
+++ b/src/MagnumPlugins/AnySceneImporter/Test/configure.h.cmake
@@ -26,3 +26,4 @@
 #cmakedefine ANYSCENEIMPORTER_PLUGIN_FILENAME "${ANYSCENEIMPORTER_PLUGIN_FILENAME}"
 #cmakedefine OBJIMPORTER_PLUGIN_FILENAME "${OBJIMPORTER_PLUGIN_FILENAME}"
 #define OBJ_FILE "${OBJ_FILE}"
+#define UPPERCASE_OBJ_FILE "${UPPERCASE_OBJ_FILE}"
diff --git a/src/MagnumPlugins/ObjImporter/Test/uppercase.OBJ b/src/MagnumPlugins/ObjImporter/Test/uppercase.OBJ
new file mode 100644
index 000000000..c5991619c
--- /dev/null
+++ b/src/MagnumPlugins/ObjImporter/Test/uppercase.OBJ
@@ -0,0 +1,10 @@
+# Positions
+v 0.5 2 3
+v 0 1.5 1
+v 2 3 5.0
+
+# Points
+p 1
+p 3
+p 2
+p 1