1 files changed, 3 insertions, 1 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index a8b0c95636..80f7ee3f12 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -566,7 +566,9 @@ class RoomEventSource(object):
 
         to_key = yield self.get_current_key()
 
-        app_service = self.store.get_app_service_by_user_id(user.to_string())
+        app_service = yield self.store.get_app_service_by_user_id(
+            user.to_string()
+        )
         if app_service:
             events, end_key = yield self.store.get_appservice_room_stream(
                 service=app_service,