diff --git a/src/wxwindow/src/msw/wx_win.cxx b/src/wxwindow/src/msw/wx_win.cxx
index 87b92d0f07..1e24582585 100644
--- a/src/wxwindow/src/msw/wx_win.cxx
+++ b/src/wxwindow/src/msw/wx_win.cxx
@@ -172,6 +172,8 @@ wxWindow::wxWindow(void)
   winEnabled = TRUE;
 
   focusWindow = NULL;
+
+  WXGC_IGNORE(this, focusWindow); // can be a self pointer in a frame
 }
 
 // Destructor