diff --git a/include/wx/mac/carbon/app.h b/include/wx/mac/carbon/app.h
index 16d2af3078..f0bf02512e 100644
--- a/include/wx/mac/carbon/app.h
+++ b/include/wx/mac/carbon/app.h
@@ -21,7 +21,11 @@
 #include "wx/gdicmn.h"
 #include "wx/event.h"
 
+#ifdef __DARWIN__
 #include <CoreFoundation/CoreFoundation.h>
+#else
+#include <CoreFoundation.h>
+#endif
 
 class WXDLLEXPORT wxFrame;
 class WXDLLEXPORT wxWindowMac;