From b4b61beeec86e798ee99a3298ff2fc44d2a68998 Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Tue, 30 Jan 2024 18:31:44 +0000
Subject: [PATCH] Fix slot acquire on PBS reservation end on tunnel/bridge
 entrance signals

---
 src/pbs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pbs.cpp b/src/pbs.cpp
index 970b45cbda..1b97089b0f 100644
--- a/src/pbs.cpp
+++ b/src/pbs.cpp
@@ -1541,7 +1541,7 @@ void PBSWaitingPositionRestrictedSignalState::TraceRestrictExecuteResEndSlotIntl
 		TraceRestrictProgramResult out;
 		TraceRestrictProgramInput input(this->tile, this->trackdir, &VehiclePosTraceRestrictPreviousSignalCallback, nullptr);
 		input.permitted_slot_operations = TRPISP_PBS_RES_END_ACQUIRE;
-		if (tb_entrance_slots) input.permitted_slot_operations = TRPISP_ACQUIRE;
+		if (tb_entrance_slots) input.permitted_slot_operations |= TRPISP_ACQUIRE;
 		prog->Execute(v, input, out);
 	}
 }