diff --git a/tests/utils.py b/tests/utils.py
index 59d985b5f2..006abedbc1 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -67,6 +67,7 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
             version_string="Synapse/tests",
             database_engine=create_engine(config.database_config),
             get_db_conn=db_pool.get_db_conn,
+            room_list_handler=object(),
             **kargs
         )
         hs.setup()
@@ -75,6 +76,7 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
             name, db_pool=None, datastore=datastore, config=config,
             version_string="Synapse/tests",
             database_engine=create_engine(config.database_config),
+            room_list_handler=object(),
             **kargs
         )