diff --git a/app/controllers/user_registrations_controller.rb b/app/controllers/user_registrations_controller.rb
index 654fe1791e..cc43badbb8 100644
--- a/app/controllers/user_registrations_controller.rb
+++ b/app/controllers/user_registrations_controller.rb
@@ -1,6 +1,8 @@
 require 'open_food_network/error_logger'
 
 class UserRegistrationsController < Spree::UserRegistrationsController
+  I18N_SCOPE = 'devise.user_registrations.spree_user'.freeze
+
   before_filter :set_checkout_redirect, only: :create
 
   # POST /resource/sign_up
@@ -25,7 +27,7 @@ class UserRegistrationsController < Spree::UserRegistrationsController
     end
   rescue StandardError => error
     OpenFoodNetwork::ErrorLogger.notify(error)
-    render_error(message: I18n.t('devise.user_registrations.spree_user.unknown_error'))
+    render_error(message: I18n.t('unknown_error', scope: I18N_SCOPE))
   end
 
   private