diff --git a/tempest/cli/__init__.py b/tempest/cli/__init__.py
index 4782129..76aafd8 100644
--- a/tempest/cli/__init__.py
+++ b/tempest/cli/__init__.py
@@ -74,8 +74,8 @@
             msg = "cli testing disabled"
             raise cls.skipException(msg)
         super(ClientTestBase, cls).resource_setup()
-        cls.cred_prov = credentials.get_isolated_credentials(cls.__name__)
-        cls.creds = cls.cred_prov.get_admin_creds()
+        cls.isolated_creds = credentials.get_isolated_credentials(cls.__name__)
+        cls.creds = cls.isolated_creds.get_admin_creds()
 
     def _get_clients(self):
         clients = base.CLIClient(self.creds.username,