diff --git a/odoo/addons/base/models/res_config.py b/odoo/addons/base/models/res_config.py
index a4f1cb2b488..83d46de23a1 100644
--- a/odoo/addons/base/models/res_config.py
+++ b/odoo/addons/base/models/res_config.py
@@ -384,8 +384,8 @@ class ResConfigSettings(models.TransientModel, ResConfigModuleInstallationMixin)
             or super()._valid_field_parameter(field, name)
         )
 
-    def copy(self, values):
-        raise UserError(_("Cannot duplicate configuration!"), "")
+    def copy(self, default=None):
+        raise UserError(_("Cannot duplicate configuration!"))
 
     @api.model
     def fields_view_get(self, view_id=None, view_type='form',