diff --git a/tasks/test-task.coffee b/tasks/test-task.coffee
index 579e22553..e5e1f3fda 100644
--- a/tasks/test-task.coffee
+++ b/tasks/test-task.coffee
@@ -1,6 +1,7 @@
 fs = require 'fs'
 path = require 'path'
 
+_ = require 'underscore'
 async = require 'async'
 
 module.exports = (grunt) ->