1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 2ab30ce897..ed82144475 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -724,7 +724,8 @@ class RoomMembershipRestServlet(TransactionRestServlet):
                 content["id_server"],
                 requester,
                 txn_id,
-                content.get("id_access_token"),
+                new_room=False,
+                id_access_token=content.get("id_access_token"),
             )
             return 200, {}