diff --git a/app/models/activity.rb b/app/models/activity.rb
index 869ec68..225182d 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -20,7 +20,7 @@ class Activity
   field :activity_end_date, type: DateTime
   field :note, type: String
   field :url
-
+  field :rss2_id
   # paginates_per 10
   
   has_many :activity_files, :autosave => true, :dependent => :destroy