diff --git a/src/coffee/controllers/feedback_controller.coffee b/src/coffee/controllers/feedback_controller.coffee
index 2f3430755..f8182f5ae 100644
--- a/src/coffee/controllers/feedback_controller.coffee
+++ b/src/coffee/controllers/feedback_controller.coffee
@@ -8,6 +8,7 @@ All rights reserved.
 $              = require 'jquery'
 BaseController = require './base_controller'
 EmailClient    = require '../models/email_client'
+w              = require 'when'
 _              = require 'underscore'
 {Duration}     = require '../constants'
 {Key}          = require '../constants'