diff --git a/oslo_messaging/tests/drivers/test_impl_rabbit.py b/oslo_messaging/tests/drivers/test_impl_rabbit.py
index b5f9e5290..a18da1535 100644
--- a/oslo_messaging/tests/drivers/test_impl_rabbit.py
+++ b/oslo_messaging/tests/drivers/test_impl_rabbit.py
@@ -400,6 +400,9 @@ class TestRabbitTransportURL(test_utils.BaseTestCase):
         ('rabbit_ipv4',
          dict(url='rabbit://user:password@10.20.30.40:10/vhost',
               expected=['amqp://user:password@10.20.30.40:10/vhost'])),
+        ('rabbit_no_vhost_slash',
+         dict(url='rabbit://user:password@10.20.30.40:10',
+              expected=['amqp://user:password@10.20.30.40:10/'])),
     ]
 
     def setUp(self):