diff --git a/tracks/db/migrate/008_add_subclass_attr_to_todos.rb b/tracks/db/migrate/008_add_subclass_attr_to_todos.rb
index 00a8e0a1..b89469ad 100644
--- a/tracks/db/migrate/008_add_subclass_attr_to_todos.rb
+++ b/tracks/db/migrate/008_add_subclass_attr_to_todos.rb
@@ -1,7 +1,8 @@
 class AddSubclassAttrToTodos < ActiveRecord::Migration
 
   class Todo < ActiveRecord::Base; end
-
+  class Immediate < Todo; end
+  
   def self.up
     add_column :todos, :type, :string, :null => false, :default => "Immediate"
     add_column :todos, :show_from, :date