diff --git a/src/bot/helper_functions.py b/src/bot/helper_functions.py
index 0117695..3b40cf2 100644
--- a/src/bot/helper_functions.py
+++ b/src/bot/helper_functions.py
@@ -18,7 +18,7 @@ states: dict[tuple[int, int], Handler] = {}
 
 def register_state(
     message: Message,
-    handler: Callable[[Message], Any],
+    handler: Handler,
 ) -> None:
     states[(message.chat.id, message.from_user.id)] = handler