1 files changed, 1 insertions, 1 deletions
diff --git a/tests/rest/client/v1/test_directory.py b/tests/rest/client/v1/test_directory.py
index 73c5b44b46..633b7dbda0 100644
--- a/tests/rest/client/v1/test_directory.py
+++ b/tests/rest/client/v1/test_directory.py
@@ -34,7 +34,7 @@ class DirectoryTestCase(unittest.HomeserverTestCase):
 
     def make_homeserver(self, reactor, clock):
         config = self.default_config()
-        config.require_membership_for_aliases = True
+        config["require_membership_for_aliases"] = True
 
         self.hs = self.setup_test_homeserver(config=config)