diff --git a/app/models/site_feed_annc.rb b/app/models/site_feed_annc.rb
index f028897..f3339fe 100644
--- a/app/models/site_feed_annc.rb
+++ b/app/models/site_feed_annc.rb
@@ -322,7 +322,9 @@ class SiteFeedAnnc
       end
       self.collection.aggregate(pipeline).collect do |data|
         tmp = data['data']
-        tmp['category'] = tmp['category'][locale]
+        if !(tmp['category'].is_a? String)
+          tmp['category'] = tmp['category'][locale]
+        end
         if @image_version != 'thumb' && !@image_version.nil?
           if @image_version == 'mobile'
             tmp["img_src"] = tmp["image"]["mobile"]