diff --git a/backend/open_webui/retrieval/vector/dbs/qdrant_multitenancy.py b/backend/open_webui/retrieval/vector/dbs/qdrant_multitenancy.py
index 11641b90f1..1f14ce9a68 100644
--- a/backend/open_webui/retrieval/vector/dbs/qdrant_multitenancy.py
+++ b/backend/open_webui/retrieval/vector/dbs/qdrant_multitenancy.py
@@ -372,6 +372,8 @@ class QdrantClient(VectorDBBase):
         """
         if not self.client or not vectors:
             return None
+        if limit is None:
+            limit = NO_LIMIT  # otherwise qdrant would set limit to 10!
         mt_collection, tenant_id = self._get_collection_and_tenant_id(collection_name)
         if not self.client.collection_exists(collection_name=mt_collection):
             log.debug(f"Collection {mt_collection} doesn't exist, search returns None")