diff --git a/tracks/app/models/context.rb b/tracks/app/models/context.rb
index fa8725b1..e4133370 100644
--- a/tracks/app/models/context.rb
+++ b/tracks/app/models/context.rb
@@ -1,6 +1,6 @@
 class Context < ActiveRecord::Base
 
-  has_many :todos, :order => "completed DESC"
+  has_many :todos, :dependent => true, :order => "completed DESC"
   belongs_to :user
   acts_as_list :scope => :user