diff --git a/test/test_buildman.py b/test/test_buildman.py
index e33adccbd..0d0b6ced2 100644
--- a/test/test_buildman.py
+++ b/test/test_buildman.py
@@ -124,7 +124,8 @@ class TestEphemeral(unittest.TestCase):
   @async_test
   def test_expiring_worker(self):
     # Test that we are watching before anything else happens
-    self.etcd_client_mock.watch.assert_called_once_with(ETCD_BUILDER_PREFIX, recursive=True)
+    self.etcd_client_mock.watch.assert_called_once_with(ETCD_BUILDER_PREFIX, recursive=True,
+                                                        timeout=0)
 
     # Send a signal to the callback that a worker has expired
     expired_result = Mock(spec=etcd.EtcdResult)