--- ./src/video/x11/SDL_x11modes.c	2007-12-31 05:48:13.000000000 +0100
+++ ./src/video/x11/SDL_x11modes.c.new	2009-04-19 16:54:48.000000000 +0200
@@ -1017,6 +1017,7 @@
     /* Save the current video mode */
     if ( use_vidmode ) {
         SDL_NAME(XF86VidModeLockModeSwitch)(SDL_Display, SDL_Screen, True);
+        save_mode(this);
     }
 #endif
     currently_fullscreen = 1;