1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/databases/main/account_data.py b/synapse/storage/databases/main/account_data.py
index d0cf3460da..70ca3e09f7 100644
--- a/synapse/storage/databases/main/account_data.py
+++ b/synapse/storage/databases/main/account_data.py
@@ -324,7 +324,7 @@ class AccountDataWorkerStore(SQLBaseStore):
             user_id, int(stream_id)
         )
         if not changed:
-            return ({}, {})
+            return {}, {}
 
         return await self.db_pool.runInteraction(
             "get_updated_account_data_for_user", get_updated_account_data_for_user_txn