diff --git a/tests/handlers/test_federation.py b/tests/handlers/test_federation.py
index 9ef80fe502..bf866dacf3 100644
--- a/tests/handlers/test_federation.py
+++ b/tests/handlers/test_federation.py
@@ -59,7 +59,6 @@ class FederationTestCase(unittest.HomeserverTestCase):
         )
 
         d = self.handler.on_exchange_third_party_invite_request(
-            room_id=room_id,
             event_dict={
                 "type": EventTypes.Member,
                 "room_id": room_id,