diff --git a/src/Plugins/TgaImageConverter/CMakeLists.txt b/src/Plugins/TgaImageConverter/CMakeLists.txt
index 67cee27c2..b28911348 100644
--- a/src/Plugins/TgaImageConverter/CMakeLists.txt
+++ b/src/Plugins/TgaImageConverter/CMakeLists.txt
@@ -29,7 +29,7 @@ set(TgaImageConverter_HEADERS
     TgaImageConverter.h)
 
 add_library(TgaImageConverterObjects OBJECT ${TgaImageConverter_SRCS})
-set_target_properties(TgaImageConverterObjects PROPERTIES COMPILE_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
+set_target_properties(TgaImageConverterObjects PROPERTIES COMPILE_FLAGS "-DTgaImageConverterObjects_EXPORTS ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
 
 add_plugin(TgaImageConverter ${MAGNUM_PLUGINS_IMAGECONVERTER_INSTALL_DIR}
     TgaImageConverter.conf
diff --git a/src/Plugins/TgaImageConverter/TgaImageConverter.h b/src/Plugins/TgaImageConverter/TgaImageConverter.h
index 07c983b01..e8ca3a3db 100644
--- a/src/Plugins/TgaImageConverter/TgaImageConverter.h
+++ b/src/Plugins/TgaImageConverter/TgaImageConverter.h
@@ -31,7 +31,7 @@
 #include <Trade/AbstractImageConverter.h>
 
 #ifndef DOXYGEN_GENERATING_OUTPUT
-#ifdef TgaImageConverter_EXPORTS
+#if defined(TgaImageConverter_EXPORTS) || defined(TgaImageConverterObjects_EXPORTS)
     #define MAGNUM_TRADE_TGAIMAGECONVERTER_EXPORT CORRADE_VISIBILITY_EXPORT
 #else
     #define MAGNUM_TRADE_TGAIMAGECONVERTER_EXPORT CORRADE_VISIBILITY_IMPORT
diff --git a/src/Plugins/TgaImporter/CMakeLists.txt b/src/Plugins/TgaImporter/CMakeLists.txt
index cd4c034ea..7bdcff1d8 100644
--- a/src/Plugins/TgaImporter/CMakeLists.txt
+++ b/src/Plugins/TgaImporter/CMakeLists.txt
@@ -30,7 +30,7 @@ set(TgaImporter_HEADERS
     TgaImporter.h)
 
 add_library(TgaImporterObjects OBJECT ${TgaImporter_SRCS})
-set_target_properties(TgaImporterObjects PROPERTIES COMPILE_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
+set_target_properties(TgaImporterObjects PROPERTIES COMPILE_FLAGS "-DTgaImporterObjects_EXPORTS ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
 
 add_plugin(TgaImporter ${MAGNUM_PLUGINS_IMPORTER_INSTALL_DIR}
     TgaImporter.conf
diff --git a/src/Plugins/TgaImporter/TgaImporter.h b/src/Plugins/TgaImporter/TgaImporter.h
index 84bb20040..bf0c35894 100644
--- a/src/Plugins/TgaImporter/TgaImporter.h
+++ b/src/Plugins/TgaImporter/TgaImporter.h
@@ -32,7 +32,7 @@
 #include <Trade/AbstractImporter.h>
 
 #ifndef DOXYGEN_GENERATING_OUTPUT
-#ifdef TgaImporter_EXPORTS
+#if defined(TgaImporter_EXPORTS) || defined(TgaImporterObjects_EXPORTS)
     #define MAGNUM_TRADE_TGAIMPORTER_EXPORT CORRADE_VISIBILITY_EXPORT
 #else
     #define MAGNUM_TRADE_TGAIMPORTER_EXPORT CORRADE_VISIBILITY_IMPORT