diff --git a/app/models/rss_feed.rb b/app/models/rss_feed.rb
index b42ac4d..2de235d 100644
--- a/app/models/rss_feed.rb
+++ b/app/models/rss_feed.rb
@@ -28,16 +28,16 @@ class RssFeed < Article
     self.body[:feed_item_description] = feed_item_description
   end
 
-  # The maximum number of articles to be displayed in the RSS feed. Default: 10
-  def limit
-    settings[:limit] || 10
-  end
-  def limit=(value)
+  settings_items :limit, :type => :integer, :default => 10
+
+  def limit_with_body_change=(value)
     #UPGRADE Leandro: I add this line to save the serialize attribute
     self.body_will_change!
-    settings[:limit] = value
+    self.limit_without_body_change= value
   end
 
+  alias_method_chain :limit=, :body_change
+
   # FIXME this should be validates_numericality_of, but Rails 2.0.2 does not
   # support validates_numericality_of with virtual attributes
   validates_format_of :limit, :with => /^\d+$/, :if => :limit
--
libgit2 0.21.2