diff --git a/app/models/epp/domain.rb b/app/models/epp/domain.rb
index 70146430b..3190b261c 100644
--- a/app/models/epp/domain.rb
+++ b/app/models/epp/domain.rb
@@ -38,7 +38,7 @@ class Epp::Domain < Domain
     ([Contact.find(registrant.id)] + active_admins + active_techs).each do |x|
       unless x.valid?
         if x.class.name == 'AdminDomainContact' && x.contact.underage?
-          add_epp_error('2304', nil, nil, I18n.t('activerecord.errors.models.domain.contact_too_young'))
+          add_epp_error('2304', nil, nil, I18n.t('activerecord.errors.models.admin_domain_contact.contact_too_young'))
         else
           add_epp_error('2304', nil, nil, I18n.t(:contact_is_not_valid, value: x.try(:code)))
         end