diff --git a/aiogram/fsm/storage/base.py b/aiogram/fsm/storage/base.py
index c0dc1ee1..5dfc8a18 100644
--- a/aiogram/fsm/storage/base.py
+++ b/aiogram/fsm/storage/base.py
@@ -14,7 +14,7 @@ DEFAULT_DESTINY = "default"
 class StorageKey:
     bot_id: int
     chat_id: int
-    user_id: Optional[int] = None
+    user_id:  int
     thread_id: Optional[int] = None
     destiny: str = DEFAULT_DESTINY