do not fail on removing second to last tile from a station

1 files changed, 1 insertions, 0 deletions

diff --git a/src/map.cpp b/src/map.cpp
index e47332c1d..7430c1a2e 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -273,6 +273,7 @@ bool CircularTileSearch(TileIndex *tile, uint size, TestTileOnSearchProc proc, v
 		/* If tile test is not successful, get one tile up,
 		 * ready for a test in first circle around center tile */
 		*tile = TileAddByDir(*tile, DIR_N);
+		if (size / 2 == 0) return false;
 		return CircularTileSearch(tile, size / 2, 1, 1, proc, user_data);
 	} else {
 		return CircularTileSearch(tile, size / 2, 0, 0, proc, user_data);