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-rw-r--r--src/tunnel_map.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tunnel_map.cpp b/src/tunnel_map.cpp
index 799b39000..405e6fb38 100644
--- a/src/tunnel_map.cpp
+++ b/src/tunnel_map.cpp
@@ -23,7 +23,7 @@ TileIndex GetOtherTunnelEnd(TileIndex tile)
{
DiagDirection dir = GetTunnelBridgeDirection(tile);
TileIndexDiff delta = TileOffsByDiagDir(dir);
- uint z = GetTileZ(tile);
+ int z = GetTileZ(tile);
dir = ReverseDiagDir(dir);
do {