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-rw-r--r--npf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/npf.c b/npf.c
index 2192a9f21..d8c66d55a 100644
--- a/npf.c
+++ b/npf.c
@@ -343,7 +343,7 @@ int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* parent) {
/* Determine extra costs */
/* Check for signals */
- if (IsTileType(tile, MP_RAILWAY) && (_map5[tile] & 0xC0) == 0x40) {
+ if (IsTileType(tile, MP_RAILWAY) && (_map5[tile] & 0xC0) == 0x40 && (_map3_lo[tile] & _signal_along_trackdir[trackdir]) != 0) {
/* Ordinary track with signals */
if ((_map2[tile] & _signal_along_trackdir[trackdir]) == 0) {
/* Signal facing us is red */