diff --git a/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb b/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb
index adaaac75..d81556d7 100644
--- a/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb
+++ b/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb
@@ -4,5 +4,6 @@ class ChangeDefaultRatingInCallForPapers < ActiveRecord::Migration
   end
 
   def down
+    change_column :call_for_papers, :rating, :integer, :null => 1
   end
 end