diff --git a/src/wormhole/test/test_wormhole.py b/src/wormhole/test/test_wormhole.py
index 0362c65..31e65f9 100644
--- a/src/wormhole/test/test_wormhole.py
+++ b/src/wormhole/test/test_wormhole.py
@@ -120,9 +120,10 @@ class Delegated(ServerBase, unittest.TestCase):
 class Wormholes(ServerBase, unittest.TestCase):
     # integration test, with a real server
 
+    @inlineCallbacks
     def setUp(self):
         # test_welcome wants to see [current_cli_version]
-        self._setup_relay(None, advertise_version="advertised.version")
+        yield self._setup_relay(None, advertise_version="advertised.version")
 
     def doBoth(self, d1, d2):
         return gatherResults([d1, d2], True)