diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index 6531059..02cb901 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -154,9 +154,11 @@
                     projects_client = None
                     roles_client = None
                     users_client = None
+                domain = (identity_client.auth_provider.credentials.
+                          get('project_domain_name', 'Default'))
                 credentials_client = cred_client.get_creds_client(
                     identity_client, projects_client, roles_client,
-                    users_client)
+                    users_client, project_domain_name=domain)
                 project = credentials_client.create_project(
                     name=tenant_name, description=tenant_name)
                 user = credentials_client.create_user(username, password,