diff --git a/include/wx/bmpbuttn.h b/include/wx/bmpbuttn.h
index 8837752b00..62262cad41 100644
--- a/include/wx/bmpbuttn.h
+++ b/include/wx/bmpbuttn.h
@@ -21,7 +21,7 @@
 // FIXME: right now only wxMSW and wxGTK implement bitmap support in wxButton
 //        itself, this shouldn't be used for the other platforms neither
 //        when all of them do it
-#if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
+#if (defined(__WXMSW__) || defined(__WXGTK20__)) && !defined(__WXUNIVERSAL__)
     #define wxHAS_BUTTON_BITMAP
 #endif