diff --git a/config.h.cmake b/config.h.cmake
index 2ec983163..3685d7eee 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -38,7 +38,7 @@
 #define PACKAGE_SOUND_DIR "${PACKAGE_SOUND_DIR}"
 
 #cmakedefine BUILD_WIZARD
-#cmakedefine HAVE_GTK_OSX
+#cmakedefine HAVE_GTK_OSX 1
 #cmakedefine HAVE_NOTIFY4
 #cmakedefine HAVE_ZLIB 1
 #cmakedefine HAVE_CU_GET_SUITE 1