diff --git a/karbor/tests/base.py b/karbor/tests/base.py
index fa6c525e..ceef5b8b 100644
--- a/karbor/tests/base.py
+++ b/karbor/tests/base.py
@@ -70,7 +70,7 @@ class TestCase(base.BaseTestCase):
         self.addCleanup(rpc.cleanup)
 
         self.messaging_conf = messaging_conffixture.ConfFixture(CONF)
-        self.messaging_conf.transport_driver = 'fake'
+        self.messaging_conf.transport_url = 'fake:/'
         self.messaging_conf.response_timeout = 15
         self.useFixture(self.messaging_conf)