diff --git a/openstack_releases/cmds/list_unreleased_changes.py b/openstack_releases/cmds/list_unreleased_changes.py
index f222c8c6ed..3efedaedf3 100644
--- a/openstack_releases/cmds/list_unreleased_changes.py
+++ b/openstack_releases/cmds/list_unreleased_changes.py
@@ -168,7 +168,7 @@ def main():
         "-f",
         "--format",
         choices=['std', 'json', 'yaml'],
-        default='standard',
+        default='std',
         help="Output format")
     parser.add_argument(
         'branch',