1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py
index 5f38634f48..0cf450f81d 100644
--- a/synapse/storage/databases/main/room.py
+++ b/synapse/storage/databases/main/room.py
@@ -1498,7 +1498,7 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
         room_id: str,
         event_id: str,
         user_id: str,
-        reason: str,
+        reason: Optional[str],
         content: JsonDict,
         received_ts: int,
     ) -> None: