diff --git a/include/wx/mac/nonownedwnd.h b/include/wx/mac/nonownedwnd.h
new file mode 100644
index 0000000000..15c53efc27
--- /dev/null
+++ b/include/wx/mac/nonownedwnd.h
@@ -0,0 +1,5 @@
+#ifdef __WXMAC_CLASSIC__
+#error "no implementation"
+#else
+#include "wx/mac/carbon/nonownedwnd.h"
+#endif
\ No newline at end of file