diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index a852fde925..1e0625d792 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -3495,6 +3495,7 @@ static bool CheckTrainStayInWormHolePathReserve(Train *t, TileIndex tile)
 	}
 	bool ok = TryPathReserve(t);
 	t->tile = veh_orig;
+	if (ok && IsTunnelBridgePBS(tile)) SetTunnelBridgeSignalState(tile, SIGNAL_STATE_GREEN);
 	return ok;
 }