diff --git a/tests/frontends/http/events_test.py b/tests/frontends/http/events_test.py
index 2c6b241e..5150db9b 100644
--- a/tests/frontends/http/events_test.py
+++ b/tests/frontends/http/events_test.py
@@ -28,6 +28,7 @@ class HttpEventsTest(unittest.TestCase):
                 'hostname': '127.0.0.1',
                 'port': 6680,
                 'static_dir': None,
+                'zeroconf': '',
             }
         }
         self.http = actor.HttpFrontend(config=config, core=mock.Mock())