diff --git a/src/Plugins/MagnumFont/CMakeLists.txt b/src/Plugins/MagnumFont/CMakeLists.txt
index 82c4061e9..23c3d855b 100644
--- a/src/Plugins/MagnumFont/CMakeLists.txt
+++ b/src/Plugins/MagnumFont/CMakeLists.txt
@@ -44,7 +44,7 @@ target_link_libraries(MagnumFont
 install(FILES ${MagnumFont_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/MagnumFont)
 
 if(BUILD_GL_TESTS)
-    add_library(MagnumFontTestLib $<TARGET_OBJECTS:MagnumFontObjects>)
+    add_library(MagnumFontTestLib STATIC $<TARGET_OBJECTS:MagnumFontObjects>)
     target_link_libraries(MagnumFontTestLib
         ${MAGNUM_LIBRARIES}
         ${MAGNUM_TEXT_LIBRARIES}
diff --git a/src/Plugins/MagnumFontConverter/CMakeLists.txt b/src/Plugins/MagnumFontConverter/CMakeLists.txt
index 9e023e56e..12804b7e5 100644
--- a/src/Plugins/MagnumFontConverter/CMakeLists.txt
+++ b/src/Plugins/MagnumFontConverter/CMakeLists.txt
@@ -44,7 +44,7 @@ target_link_libraries(MagnumFontConverter
 install(FILES ${MagnumFontConverter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/MagnumFontConverter)
 
 if(BUILD_TESTS)
-    add_library(MagnumFontConverterTestLib $<TARGET_OBJECTS:MagnumFontConverterObjects>)
+    add_library(MagnumFontConverterTestLib STATIC $<TARGET_OBJECTS:MagnumFontConverterObjects>)
     target_link_libraries(MagnumFontConverterTestLib
         ${MAGNUM_LIBRARIES}
         ${MAGNUM_TEXT_LIBRARIES})
diff --git a/src/Plugins/TgaImageConverter/CMakeLists.txt b/src/Plugins/TgaImageConverter/CMakeLists.txt
index b28911348..f72e90679 100644
--- a/src/Plugins/TgaImageConverter/CMakeLists.txt
+++ b/src/Plugins/TgaImageConverter/CMakeLists.txt
@@ -40,7 +40,7 @@ target_link_libraries(TgaImageConverter ${MAGNUM_LIBRARIES})
 install(FILES ${TgaImageConverter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/TgaImageConverter)
 
 if(BUILD_TESTS)
-    add_library(TgaImageConverterTestLib $<TARGET_OBJECTS:TgaImageConverterObjects>)
+    add_library(TgaImageConverterTestLib SHARED $<TARGET_OBJECTS:TgaImageConverterObjects>)
     target_link_libraries(TgaImageConverterTestLib ${MAGNUM_LIBRARIES})
     add_subdirectory(Test)
 endif()
diff --git a/src/Plugins/TgaImporter/CMakeLists.txt b/src/Plugins/TgaImporter/CMakeLists.txt
index 7bdcff1d8..90b63a1ea 100644
--- a/src/Plugins/TgaImporter/CMakeLists.txt
+++ b/src/Plugins/TgaImporter/CMakeLists.txt
@@ -41,7 +41,7 @@ target_link_libraries(TgaImporter ${MAGNUM_LIBRARIES})
 install(FILES ${TgaImporter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/TgaImporter)
 
 if(BUILD_TESTS)
-    add_library(TgaImporterTestLib $<TARGET_OBJECTS:TgaImporterObjects>)
+    add_library(TgaImporterTestLib SHARED $<TARGET_OBJECTS:TgaImporterObjects>)
     target_link_libraries(TgaImporterTestLib ${MAGNUM_LIBRARIES})
     add_subdirectory(Test)
 endif()