diff --git a/Engine/Application.py b/Engine/Application.py
index 99dfb0c..f00abf6 100644
--- a/Engine/Application.py
+++ b/Engine/Application.py
@@ -18,7 +18,7 @@ def __init__(self, window_size: tuple, init_file: str):
 
         self.flatten_render_tree: list = []
         self.flatten_update_tree: list = []
-        self.indexes: (int, int) = (0, 0)
+        self.indexes: tuple[int, int] = (0, 0)
         self.scene_system: SceneSystem = SceneSystem(self)
         self.control_system: ControlSystem = ControlSystem(self)
         self.ui_system: UISystem = UISystem(self)