diff --git a/src/object_cmd.cpp b/src/object_cmd.cpp
--- a/src/object_cmd.cpp
+++ b/src/object_cmd.cpp
@@ -229,7 +229,7 @@ CommandCost CmdBuildObject(TileIndex til
 
 	if (type == OBJECT_OWNED_LAND) {
 		/* Owned land is special as it can be placed on any slope. */
-		cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
+		cost.AddCost(DoCommand(flags, CMD_LANDSCAPE_CLEAR, tile, 0, 0));
 	} else {
 		/* Check the surface to build on. At this time we can't actually execute the
 		 * the CLEAR_TILE commands since the newgrf callback later on can check
@@ -242,7 +242,7 @@ CommandCost CmdBuildObject(TileIndex til
 				if (!IsWaterTile(t)) {
 					/* Normal water tiles don't have to be cleared. For all other tile types clear
 					 * the tile but leave the water. */
-					cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER & ~DC_EXEC, CMD_LANDSCAPE_CLEAR));
+					cost.AddCost(DoCommand(flags & ~DC_NO_WATER & ~DC_EXEC, CMD_LANDSCAPE_CLEAR, t, 0, 0));
 				} else {
 					/* Can't build on water owned by another company. */
 					Owner o = GetTileOwner(t);
@@ -260,7 +260,7 @@ CommandCost CmdBuildObject(TileIndex til
 						IsTileType(t, MP_OBJECT) &&
 						IsTileOwner(t, _current_company) &&
 						IsObjectType(t, OBJECT_HQ))) {
-					cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR));
+					cost.AddCost(DoCommand(flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR, t, 0, 0));
 				}
 			}
 		}
@@ -292,10 +292,10 @@ CommandCost CmdBuildObject(TileIndex til
 			for (TileIndex t : ta) {
 				if (HasTileWaterGround(t)) {
 					if (!IsWaterTile(t)) {
-						DoCommand(t, 0, 0, (flags & ~DC_NO_WATER) | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR);
+						DoCommand((flags & ~DC_NO_WATER) | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR, t, 0, 0);
 					}
 				} else {
-					DoCommand(t, 0, 0, flags | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR);
+					DoCommand(flags | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR, t, 0, 0);
 				}
 			}
 		}
@@ -847,7 +847,7 @@ static CommandCost TerraformTile_Object(
 		}
 	}
 
-	return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
+	return DoCommand(flags, CMD_LANDSCAPE_CLEAR, tile, 0, 0);
 }
 
 extern const TileTypeProcs _tile_type_object_procs = {