diff --git a/src/terraform_cmd.cpp b/src/terraform_cmd.cpp
--- a/src/terraform_cmd.cpp
+++ b/src/terraform_cmd.cpp
@@ -132,7 +132,7 @@ static std::tuple<CommandCost, TileIndex
 	/* Store the height modification */
 	TerraformSetHeightOfTile(ts, tile, height);
 
-	CommandCost total_cost(EXPENSES_CONSTRUCTION);
+	CommandCost total_cost(EXPENSES_T_LANDSCAPING);
 
 	/* Increment cost */
 	total_cost.AddCost(_price[PR_TERRAFORM]);
@@ -185,7 +185,7 @@ static std::tuple<CommandCost, TileIndex
  */
 std::tuple<CommandCost, Money, TileIndex> CmdTerraformLand(DoCommandFlag flags, TileIndex tile, Slope slope, bool dir_up)
 {
-	CommandCost total_cost(EXPENSES_CONSTRUCTION);
+	CommandCost total_cost(EXPENSES_T_LANDSCAPING);
 	int direction = (dir_up ? 1 : -1);
 	TerraformerState ts;
 
@@ -352,7 +352,7 @@ std::tuple<CommandCost, Money, TileIndex
 	if (h > _settings_game.construction.map_height_limit) return { CommandCost(oldh == 0 ? STR_ERROR_ALREADY_AT_SEA_LEVEL : STR_ERROR_TOO_HIGH), 0, INVALID_TILE };
 
 	Money money = GetAvailableMoneyForCommand();
-	CommandCost cost(EXPENSES_CONSTRUCTION);
+	CommandCost cost(EXPENSES_T_LANDSCAPING);
 	CommandCost last_error(lm == LM_LEVEL ? STR_ERROR_ALREADY_LEVELLED : INVALID_STRING_ID);
 	bool had_success = false;