diff --git a/tempest/tests/test_tenant_isolation.py b/tempest/tests/test_tenant_isolation.py
index fa1b6f7..7bdc1d7 100644
--- a/tempest/tests/test_tenant_isolation.py
+++ b/tempest/tests/test_tenant_isolation.py
@@ -37,7 +37,7 @@
         self.useFixture(fake_config.ConfigFixture())
         self.stubs.Set(config, 'TempestConfigPrivate', fake_config.FakePrivate)
         self.fake_http = fake_http.fake_httplib2(return_type=200)
-        self.stubs.Set(json_token_client.TokenClientJSON, 'raw_request',
+        self.stubs.Set(json_token_client.TokenClient, 'raw_request',
                        fake_identity._fake_v2_response)
         cfg.CONF.set_default('operator_role', 'FakeRole',
                              group='object-storage')