diff --git a/aiogram/dispatcher/filters/state.py b/aiogram/dispatcher/filters/state.py
index b318869d..40bb9f94 100644
--- a/aiogram/dispatcher/filters/state.py
+++ b/aiogram/dispatcher/filters/state.py
@@ -25,7 +25,7 @@ class State:
         elif self._group_name:
             group = self._group_name
         else:
-            group = '*'
+            group = '@'
         return f"{group}:{self._state}"
 
     def set_parent(self, group):