diff --git a/app/controllers/epp/base_controller.rb b/app/controllers/epp/base_controller.rb
index 44e38fe1ce..12efbd1d35 100644
--- a/app/controllers/epp/base_controller.rb
+++ b/app/controllers/epp/base_controller.rb
@@ -168,7 +168,7 @@ def requires(*selectors)
 
         epp_errors.add(:epp_errors,
                        code: '2003',
-                       message: I18n.t('errors.messages.required_parameter_missing',
+                       msg: I18n.t('errors.messages.required_parameter_missing',
                                        key: "#{full_selector} [#{attr}]"))
       end