diff --git a/app/core/background/indexer_service.py b/app/core/background/indexer_service.py
index dd581db..5ccd81e 100644
--- a/app/core/background/indexer_service.py
+++ b/app/core/background/indexer_service.py
@@ -216,7 +216,7 @@ async def indexer_loop(memory, platform_found: bool, seqno: int) -> [bool, int]:
                     user_uploader_wrapper = Wrapped_CBotChat(memory._telegram_bot, chat_id=user.telegram_id, user=user, db_session=session)
                     for hint_message in session.query(KnownTelegramMessage).filter(
                         and_(
-                            KnownTelegramMessage.user_id == user.id,
+                            KnownTelegramMessage.chat_id == user.telegram_id,
                             KnownTelegramMessage.message_type == 'hint',
                             KnownTelegramMessage.meta.contains({'encrypted_content_hash': encrypted_stored_content.hash})
                         )