1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 350ec9c03a..78d149905f 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -151,7 +151,7 @@ class FederationHandler:
                 return. This is used as part of the heuristic to decide if we
                 should back paginate.
         """
-        with (await self._room_backfill.queue(room_id)):
+        async with self._room_backfill.queue(room_id):
             return await self._maybe_backfill_inner(room_id, current_depth, limit)
 
     async def _maybe_backfill_inner(