diff --git a/app/models/site_feed_annc.rb b/app/models/site_feed_annc.rb
index 392b112..98dc952 100644
--- a/app/models/site_feed_annc.rb
+++ b/app/models/site_feed_annc.rb
@@ -35,6 +35,7 @@ class SiteFeedAnnc
     if trans.nil?
       trans = {}
       locales.each do |locale|
+        locale = locale.to_s
         trans[locale] = {}
         I18n.with_locale(locale) do
           trans[locale]['top'] = I18n.t(:top)