diff --git a/CMakeLists.txt b/CMakeLists.txt
index 432c93c18..d4df21e4e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -183,7 +183,7 @@ execute_process(COMMAND ${QT_QMAKE_EXECUTABLE} -query QT_INSTALL_TRANSLATIONS
 )
 IF(EXISTS "${QT_TRANSLATIONS_DIR}")
 	MESSAGE("-- Found Qt translations in ${QT_TRANSLATIONS_DIR}")
-	ADD_DEFINITIONS(-D'QT_TRANSLATIONS_DIR="${QT_TRANSLATIONS_DIR}"')
+	ADD_DEFINITIONS("-DQT_TRANSLATIONS_DIR=\"${QT_TRANSLATIONS_DIR}\"")
 ENDIF()
 
 FIND_PACKAGE(Qt5Test)