diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp index d1ab57f347..12195d8dca 100644 --- a/src/water_cmd.cpp +++ b/src/water_cmd.cpp @@ -301,7 +301,7 @@ static CommandCost DoBuildLock(TileIndex tile, DiagDirection dir, DoCommandFlag if (ret.Failed()) return ret; /* middle tile */ - WaterClass wc_middle = IsWaterTile(tile) ? GetWaterClass(tile) : WATER_CLASS_CANAL; + WaterClass wc_middle = HasTileWaterGround(tile) ? GetWaterClass(tile) : WATER_CLASS_CANAL; ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (ret.Failed()) return ret; cost.AddCost(ret);