diff --git a/include/wx/xrc/xmlreshandler.h b/include/wx/xrc/xmlreshandler.h
index d0ad233519..a92fee0349 100644
--- a/include/wx/xrc/xmlreshandler.h
+++ b/include/wx/xrc/xmlreshandler.h
@@ -20,6 +20,7 @@
 #include "wx/colour.h"
 #include "wx/filesys.h"
 #include "wx/imaglist.h"
+#include "wx/window.h"
 
 class WXDLLIMPEXP_FWD_ADV wxAnimation;