--- Maelstrom-3.0.6/screenlib/SDL_FrameBuf.cpp.orig	2009-07-12 22:02:17.000000000 +0200
+++ Maelstrom-3.0.6/screenlib/SDL_FrameBuf.cpp	2009-07-12 22:06:29.334128859 +0200
@@ -848,8 +848,8 @@
 			for ( i=0; i<dirtymaplen; ++i ) {
 				if ( dirtymap[i] != NULL ) {
 					dirtymap[i] = (SDL_Rect *)(
-					((int)dirtymap[i]-(int)updatelist) +
-								(int)newlist
+					((long)dirtymap[i]-(long)updatelist) +
+								(long)newlist
 					);
 				}
 			}