--- a/map.c	Sun Jan 09 18:49:18 2005 +0000
+++ b/map.c	Sun Jan 09 18:59:16 2005 +0000
@@ -29,7 +29,7 @@
 	uint y;
 
 	dx = add & MapMaxX();
-	if (dx >= MapSizeX() / 2) dx -= MapSizeX();
+	if (dx >= (int)MapSizeX() / 2) dx -= MapSizeX();
 	dy = (add - dx) / (int)MapSizeX();
 
 	x = TileX(tile) + dx;