1 files changed, 1 insertions, 1 deletions
diff --git a/tests/unittest.py b/tests/unittest.py
index 7a6f5954d0..6d5d87cb78 100644
--- a/tests/unittest.py
+++ b/tests/unittest.py
@@ -232,7 +232,7 @@ class HomeserverTestCase(TestCase):
         # Honour the `use_frozen_dicts` config option. We have to do this
         # manually because this is taken care of in the app `start` code, which
         # we don't run. Plus we want to reset it on tearDown.
-        events.USE_FROZEN_DICTS = self.hs.config.use_frozen_dicts
+        events.USE_FROZEN_DICTS = self.hs.config.server.use_frozen_dicts
 
         if self.hs is None:
             raise Exception("No homeserver returned from make_homeserver.")