--- a/npf.c	Tue Sep 05 23:11:41 2006 +0000
+++ b/npf.c	Tue Sep 05 23:21:41 2006 +0000
@@ -183,7 +183,7 @@
 
 static uint NPFSlopeCost(AyStarNode* current)
 {
-	TileIndex next = current->tile + TileOffsByDir(TrackdirToExitdir(current->direction));
+	TileIndex next = current->tile + TileOffsByDiagDir(TrackdirToExitdir(current->direction));
 	int x,y;
 	int8 z1,z2;