diff --git a/cinderclient/shell.py b/cinderclient/shell.py
index 9f0dc1960..396c34091 100644
--- a/cinderclient/shell.py
+++ b/cinderclient/shell.py
@@ -169,6 +169,7 @@ class OpenStackCinderShell(object):
                             default=DEFAULT_CINDER_ENDPOINT_TYPE),
                             help='DEPRECATED! Use --os-endpoint-type.')
         parser.add_argument('--endpoint_type',
+                            dest='os_endpoint_type',
                             help=argparse.SUPPRESS)
 
         parser.add_argument('--os-endpoint-type',