diff --git a/tests/utils.py b/tests/utils.py
index 291b549053..52405502e9 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -51,6 +51,7 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
         config.macaroon_secret_key = "not even a little secret"
         config.server_name = "server.under.test"
         config.trusted_third_party_id_servers = []
+        config.room_invite_state_types = []
 
     config.database_config = {"name": "sqlite3"}