diff --git a/app/models/article.rb b/app/models/article.rb
index da909ba..b016150 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -9,7 +9,7 @@ class Article < ActiveRecord::Base
                   :accept_comments, :feed, :published, :source,
                   :highlighted, :notify_comments, :display_hits, :slug,
                   :external_feed_builder, :display_versions, :external_link,
-                  :image_builder, :show_to_followers
+                  :image_builder, :show_to_followers, :published_at
 
   acts_as_having_image
 
--
libgit2 0.21.2