diff --git a/3rdparty/libmygpo-qt/CMakeLists.txt b/3rdparty/libmygpo-qt/CMakeLists.txt
index d39966a2a..0d1b4d6d7 100644
--- a/3rdparty/libmygpo-qt/CMakeLists.txt
+++ b/3rdparty/libmygpo-qt/CMakeLists.txt
@@ -4,7 +4,7 @@ set( MYGPO_QT_VERSION_MINOR "0" )
 set( MYGPO_QT_VERSION_PATCH "7" )
 configure_file( Version.h.in ${CMAKE_CURRENT_BINARY_DIR}/Version.h )
 include_directories("${QJSON_INCLUDEDIR}/qjson")
-add_definitions(-DMYGPO_EXPORT)
+add_definitions(-DMYGPO_EXPORT=)
 
 include_directories( ${QT_INCLUDES} ${QJSON_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} )