diff --git a/openstackclient/identity/v3/unscoped_saml.py b/openstackclient/identity/v3/unscoped_saml.py
index affbaf3a87..9b158b6752 100644
--- a/openstackclient/identity/v3/unscoped_saml.py
+++ b/openstackclient/identity/v3/unscoped_saml.py
@@ -25,7 +25,7 @@ from openstackclient.common import exceptions
 from openstackclient.common import utils
 
 
-UNSCOPED_AUTH_PLUGINS = ['v3unscopedsaml', 'v3unscopedadfs']
+UNSCOPED_AUTH_PLUGINS = ['v3unscopedsaml', 'v3unscopedadfs', 'v3oidc']
 
 
 def auth_with_unscoped_saml(func):