diff --git a/aiogram/dispatcher/fsm/storage/mongo.py b/aiogram/dispatcher/fsm/storage/mongo.py
index 7e590754..66688214 100644
--- a/aiogram/dispatcher/fsm/storage/mongo.py
+++ b/aiogram/dispatcher/fsm/storage/mongo.py
@@ -140,4 +140,4 @@ class MongoStorage(BaseStorage):
             filter=self._get_db_filter(key)
         )
 
-        return result.get('data', default={}) if result else {}
+        return result.get('data') or {} if result else {}