1 files changed, 1 insertions, 1 deletions
diff --git a/tests/test_server.py b/tests/test_server.py
index fc396226ea..895e490406 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -16,7 +16,7 @@ class JsonResourceTests(unittest.TestCase):
         self.reactor = MemoryReactorClock()
         self.hs_clock = Clock(self.reactor)
         self.homeserver = setup_test_homeserver(
-            http_client=None, clock=self.hs_clock, reactor=self.reactor
+            self.addCleanup, http_client=None, clock=self.hs_clock, reactor=self.reactor
         )
 
     def test_handler_for_request(self):