1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py
index b8b8273f73..50f913a414 100644
--- a/synapse/storage/background_updates.py
+++ b/synapse/storage/background_updates.py
@@ -169,7 +169,7 @@ class BackgroundUpdateStore(SQLBaseStore):
             in_flight = set(update["update_name"] for update in updates)
             for update in updates:
                 if update["depends_on"] not in in_flight:
-                    self._background_update_queue.append(update['update_name'])
+                    self._background_update_queue.append(update["update_name"])
 
         if not self._background_update_queue:
             # no work left to do