diff --git a/apiApp/routers/audio_management_router.py b/apiApp/routers/audio_management_router.py
index 9eece54..25aad41 100644
--- a/apiApp/routers/audio_management_router.py
+++ b/apiApp/routers/audio_management_router.py
@@ -25,14 +25,15 @@ def query_audio_without_conclusion(db, limit=None):
 
     Использует exists() подзапрос, так как AiConclusion - это relationship
     """
-    from sqlalchemy import exists
+    from sqlalchemy import exists, not_
 
-    subquery = db.query(AiConclusion.audio_id).filter(
+    # Используем более простой подзапрос
+    subquery = exists().where(
         AiConclusion.audio_id == Audio.id
     )
 
     query = db.query(Audio).filter(
-        ~exists().where(subquery.exists())
+        ~subquery
     ).order_by(Audio.index_date.asc())
 
     if limit: