--- a/src/video/cocoa/wnd_quickdraw.mm	Fri Nov 23 12:12:07 2007 +0000
+++ b/src/video/cocoa/wnd_quickdraw.mm	Fri Nov 23 13:45:59 2007 +0000
@@ -717,7 +717,7 @@
 
 	*p = [ qdview convertPoint:*p toView: nil ];
 	*p = [ window convertBaseToScreen:*p ];
-	p->y = window_height - p->y;
+	p->y = device_height - p->y;
 
 	cgp.x = p->x;
 	cgp.y = p->y;