diff --git a/app/models/milestone.rb b/app/models/milestone.rb
index c2642b75b8a6a746f012207dbd31eed0d4d1137e..58acc5d6ccc128e7274dcb5fa478573dfb98bcc6 100644
--- a/app/models/milestone.rb
+++ b/app/models/milestone.rb
@@ -16,9 +16,9 @@
 class Milestone < ActiveRecord::Base
   # Represents a "No Milestone" state used for filtering Issues and Merge
   # Requests that have no milestone assigned.
-  MilestoneStruct = Struct.new(:title, :name)
-  None = MilestoneStruct.new('No Milestone', 'No Milestone')
-  Any = MilestoneStruct.new('Any', '')
+  MilestoneStruct = Struct.new(:title, :name, :id)
+  None = MilestoneStruct.new('No Milestone', 'No Milestone', 0)
+  Any = MilestoneStruct.new('Any', '', -1)
 
   include InternalId
   include Sortable