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-rw-r--r--src/rail_map.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/rail_map.h b/src/rail_map.h
index 8e47ea5f5..805915718 100644
--- a/src/rail_map.h
+++ b/src/rail_map.h
@@ -380,7 +380,7 @@ static inline void CycleSignalSide(TileIndex t, Track track)
byte pos = (track == TRACK_LOWER || track == TRACK_RIGHT) ? 4 : 6;
sig = GB(_m[t].m3, pos, 2);
- if (--sig == 0) sig = 3;
+ if (--sig == 0) sig = IsPbsSignal(GetSignalType(t, track)) ? 2 : 3;
SB(_m[t].m3, pos, 2, sig);
}