diff --git a/openstackclient/identity/v3/role.py b/openstackclient/identity/v3/role.py
index 2ca58a273..9243639e5 100644
--- a/openstackclient/identity/v3/role.py
+++ b/openstackclient/identity/v3/role.py
@@ -101,7 +101,7 @@ def _process_identity_and_resource_options(parsed_args,
         kwargs['project'] = common.find_project(
             identity_client_manager,
             parsed_args.project,
-            parsed_args.group_domain,
+            parsed_args.project_domain,
         ).id
     kwargs['os_inherit_extension_inherited'] = parsed_args.inherited
     return kwargs