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-rw-r--r--src/water_cmd.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
index 8b17d968f..8f2895eba 100644
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -332,7 +332,7 @@ CommandCost CmdBuildCanal(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
/* can't make water of water! */
if (IsTileType(tile, MP_WATER) && (!IsTileOwner(tile, OWNER_WATER) || wc == WATER_CLASS_SEA)) continue;
- ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
+ ret = DoCommand(tile, 0, 0, flags | DC_FORCE_CLEAR_TILE, CMD_LANDSCAPE_CLEAR);
if (ret.Failed()) return ret;
cost.AddCost(ret);