--- a/sdl.c	Sat May 14 21:03:46 2005 +0000
+++ b/sdl.c	Sat May 14 21:55:54 2005 +0000
@@ -636,7 +636,7 @@
 
 void ToggleFullScreen(bool full_screen)
 {
-	_fullscreen ^= full_screen;
+	_fullscreen = full_screen;
 	GetVideoModes(); // get the list of available video modes
 	if (!_video_driver->change_resolution(_cur_resolution[0], _cur_resolution[1]))
 		_fullscreen ^= true; // switching resolution failed, put back full_screen to original status