diff --git a/src/object_cmd.cpp b/src/object_cmd.cpp
--- a/src/object_cmd.cpp
+++ b/src/object_cmd.cpp
@@ -530,9 +530,7 @@ static CommandCost ClearTile_Object(Tile
 			break;
 	}
 
-	ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
-	cleared_area->first_tile = tile;
-	cleared_area->area = ta;
+	_cleared_object_areas.push_back({tile, ta});
 
 	if (flags & DC_EXEC) ReallyClearObjectTile(o);