From 475fa465d7d793416520d1723012eafe73c721a8 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 6 Nov 2018 12:33:41 +0100
Subject: check that rectangle is in a single layer

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

diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 5e3f6c04b..d3ea5b7ec 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -1593,7 +1593,7 @@ CommandCost RemoveFromRailBaseStation(TileArea ta, SmallVector<T *, 4> &affected
 CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
 {
 	TileIndex end = p1 == 0 ? start : p1;
-	if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
+	if (start >= MapSize() || end >= MapSize() || (LayerIndex(start) != LayerIndex(end))) return CMD_ERROR;
 
 	TileArea ta(start, end);
 	SmallVector<Station *, 4> affected_stations;
-- 
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