1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/storage/databases/main/ui_auth.py b/synapse/storage/databases/main/ui_auth.py
index 9eef8e57c5..b89668d561 100644
--- a/synapse/storage/databases/main/ui_auth.py
+++ b/synapse/storage/databases/main/ui_auth.py
@@ -290,7 +290,7 @@ class UIAuthWorkerStore(SQLBaseStore):
 
 
 class UIAuthStore(UIAuthWorkerStore):
-    def delete_old_ui_auth_sessions(self, expiration_time: int):
+    async def delete_old_ui_auth_sessions(self, expiration_time: int) -> None:
         """
         Remove sessions which were last used earlier than the expiration time.
 
@@ -299,7 +299,7 @@ class UIAuthStore(UIAuthWorkerStore):
                 This is an epoch time in milliseconds.
 
         """
-        return self.db_pool.runInteraction(
+        await self.db_pool.runInteraction(
             "delete_old_ui_auth_sessions",
             self._delete_old_ui_auth_sessions_txn,
             expiration_time,