diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 2bdc7681998e3273698994cbb403173385e8cd05..0cfeda10d82c101c62bdbb8b30d736c8b0d7e568 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -232,8 +232,8 @@ class RoomCreationHandler(BaseHandler):
                 medium,
                 address,
                 id_server,
-                None,
-                None,
+                token_id=None,
+                txn_id=None,
             )
 
         result = {"room_id": room_id}