diff --git a/src/MagnumPlugins/MagnumFont/CMakeLists.txt b/src/MagnumPlugins/MagnumFont/CMakeLists.txt
index af1cc14bd..deaf8383e 100644
--- a/src/MagnumPlugins/MagnumFont/CMakeLists.txt
+++ b/src/MagnumPlugins/MagnumFont/CMakeLists.txt
@@ -46,6 +46,7 @@ install(FILES ${MagnumFont_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL
 
 if(BUILD_GL_TESTS)
     add_library(MagnumMagnumFontTestLib STATIC $<TARGET_OBJECTS:MagnumFontObjects>)
+    set_target_properties(MagnumMagnumFontTestLib PROPERTIES DEBUG_POSTFIX "-d")
     target_link_libraries(MagnumMagnumFontTestLib Magnum MagnumText MagnumTgaImporterTestLib)
 
     # On Windows we need to install first and then run the tests to avoid "DLL
diff --git a/src/MagnumPlugins/MagnumFontConverter/CMakeLists.txt b/src/MagnumPlugins/MagnumFontConverter/CMakeLists.txt
index 47b5263a5..e1f921775 100644
--- a/src/MagnumPlugins/MagnumFontConverter/CMakeLists.txt
+++ b/src/MagnumPlugins/MagnumFontConverter/CMakeLists.txt
@@ -46,6 +46,7 @@ install(FILES ${MagnumFontConverter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUD
 
 if(BUILD_GL_TESTS)
     add_library(MagnumMagnumFontConverterTestLib STATIC $<TARGET_OBJECTS:MagnumFontConverterObjects>)
+    set_target_properties(MagnumMagnumFontConverterTestLib PROPERTIES DEBUG_POSTFIX "-d")
     target_link_libraries(MagnumMagnumFontConverterTestLib Magnum MagnumText MagnumTgaImageConverterTestLib)
 
     # On Windows we need to install first and then run the tests to avoid "DLL
diff --git a/src/MagnumPlugins/ObjImporter/CMakeLists.txt b/src/MagnumPlugins/ObjImporter/CMakeLists.txt
index 275edec1b..f90a0bd4b 100644
--- a/src/MagnumPlugins/ObjImporter/CMakeLists.txt
+++ b/src/MagnumPlugins/ObjImporter/CMakeLists.txt
@@ -38,6 +38,7 @@ install(FILES ObjImporter.h DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/Ob
 
 if(BUILD_TESTS)
     add_library(MagnumObjImporterTestLib STATIC $<TARGET_OBJECTS:ObjImporterObjects>)
+    set_target_properties(MagnumObjImporterTestLib PROPERTIES DEBUG_POSTFIX "-d")
     target_link_libraries(MagnumObjImporterTestLib Magnum MagnumMeshTools)
 
     # On Windows we need to install first and then run the tests to avoid "DLL
diff --git a/src/MagnumPlugins/TgaImageConverter/CMakeLists.txt b/src/MagnumPlugins/TgaImageConverter/CMakeLists.txt
index 779bb475f..47676f258 100644
--- a/src/MagnumPlugins/TgaImageConverter/CMakeLists.txt
+++ b/src/MagnumPlugins/TgaImageConverter/CMakeLists.txt
@@ -42,6 +42,7 @@ install(FILES ${TgaImageConverter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_
 
 if(BUILD_TESTS)
     add_library(MagnumTgaImageConverterTestLib ${SHARED_OR_STATIC} $<TARGET_OBJECTS:TgaImageConverterObjects>)
+    set_target_properties(MagnumTgaImageConverterTestLib PROPERTIES DEBUG_POSTFIX "-d")
     target_link_libraries(MagnumTgaImageConverterTestLib Magnum)
 
     # On Windows we need to install first and then run the tests to avoid "DLL
diff --git a/src/MagnumPlugins/TgaImporter/CMakeLists.txt b/src/MagnumPlugins/TgaImporter/CMakeLists.txt
index c4946a4c9..7e6685b8a 100644
--- a/src/MagnumPlugins/TgaImporter/CMakeLists.txt
+++ b/src/MagnumPlugins/TgaImporter/CMakeLists.txt
@@ -43,6 +43,7 @@ install(FILES ${TgaImporter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTAL
 
 if(BUILD_TESTS)
     add_library(MagnumTgaImporterTestLib ${SHARED_OR_STATIC} $<TARGET_OBJECTS:TgaImporterObjects>)
+    set_target_properties(MagnumTgaImporterTestLib PROPERTIES DEBUG_POSTFIX "-d")
     target_link_libraries(MagnumTgaImporterTestLib Magnum)
 
     # On Windows we need to install first and then run the tests to avoid "DLL
diff --git a/src/MagnumPlugins/WavAudioImporter/CMakeLists.txt b/src/MagnumPlugins/WavAudioImporter/CMakeLists.txt
index 840382043..27179d2a9 100644
--- a/src/MagnumPlugins/WavAudioImporter/CMakeLists.txt
+++ b/src/MagnumPlugins/WavAudioImporter/CMakeLists.txt
@@ -49,6 +49,7 @@ install(FILES ${WavAudioImporter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_I
 
 if(BUILD_TESTS)
     add_library(MagnumWavAudioImporterTestLib STATIC $<TARGET_OBJECTS:WavAudioImporterObjects>)
+    set_target_properties(MagnumWavAudioImporterTestLib PROPERTIES DEBUG_POSTFIX "-d")
     target_link_libraries(MagnumWavAudioImporterTestLib Magnum MagnumAudio)
 
     # On Windows we need to install first and then run the tests to avoid "DLL