diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index 8d63ada430..d206efa008 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -3085,6 +3085,8 @@ gdk_event_translate (MSG  *msg,
 	    {
 	      mmi->ptMaxTrackSize.x = moninfo.rcWork.right - moninfo.rcWork.left;
 	      mmi->ptMaxTrackSize.y = moninfo.rcWork.bottom - moninfo.rcWork.top;
+	      mmi->ptMaxPosition.x = moninfo.rcWork.left;
+	      mmi->ptMaxPosition.y = moninfo.rcWork.top;
 	    }
 	  else
 	    {