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-rw-r--r--src/terraform_cmd.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/terraform_cmd.cpp b/src/terraform_cmd.cpp
index cc71f786a..aa79ac993 100644
--- a/src/terraform_cmd.cpp
+++ b/src/terraform_cmd.cpp
@@ -351,6 +351,8 @@ CommandCost CmdLevelLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, con
{
if (p1 >= MapSize()) return CMD_ERROR;
+ _terraform_err_tile = INVALID_TILE;
+
/* remember level height */
uint oldh = TileHeight(p1);