diff -r eadb3790009f src/video/x11/SDL_x11window.c
--- a/src/video/x11/SDL_x11window.c	Thu Jun 21 14:01:47 2012 -0300
+++ b/src/video/x11/SDL_x11window.c	Thu Jun 21 18:19:22 2012 +0400
@@ -794,9 +794,11 @@
 {
     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
     Display *display = data->videodata->display;
+    SDL_DisplayData *displaydata =
+        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
     XEvent event;
 
-    XUnmapWindow(display, data->xwindow);
+    XWithdrawWindow(display, data->xwindow, displaydata->screen);
     /* Blocking wait for "UnmapNotify" event */
     XIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);    
     XFlush(display);