diff --git a/resolvers/load.py b/resolvers/load.py
index 11cb41d..b0a2b97 100644
--- a/resolvers/load.py
+++ b/resolvers/load.py
@@ -1,5 +1,5 @@
 
-from sqlalchemy.sql.operators import is_not
+from sqlalchemy.sql import not_
 from services.db import local_session
 from resolvers.model import (
     NotificationReaction,
@@ -67,7 +67,7 @@ async def get_notifications_grouped(author_id: int, after: int = 0, limit: int =
             and_(
                 Notification.action == NotificationAction.CREATE.value,
                 Notification.created_at > after,
-                ~Notification.seen
+                not_(Notification.seen)
             )
         ).count()
         notifications_result = session.execute(query)