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-rw-r--r--src/water_cmd.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
index a661cb38c..ba09b415a 100644
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -477,8 +477,8 @@ CommandCost CmdBuildCanal(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
bool water = IsWaterTile(current_tile);
- /* can't make water of water! */
- if (water && (!IsTileOwner(current_tile, OWNER_WATER) || wc == WATER_CLASS_SEA)) continue;
+ /* Outside the editor, prevent building canals over your own or OWNER_NONE owned canals */
+ if (water && IsCanal(current_tile) && _game_mode != GM_EDITOR && (IsTileOwner(current_tile, _current_company) || IsTileOwner(current_tile, OWNER_NONE))) continue;
ret = DoCommand(current_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (ret.Failed()) return ret;