diff --git a/build/tasks/install-task.coffee b/build/tasks/install-task.coffee
index a2b591734..273e1b5ef 100644
--- a/build/tasks/install-task.coffee
+++ b/build/tasks/install-task.coffee
@@ -1,24 +1,20 @@
 path = require 'path'
+runas = null
 
 module.exports = (grunt) ->
-  {cp, mkdir, rm, spawn} = require('./task-helpers')(grunt)
+  {cp, mkdir, rm} = require('./task-helpers')(grunt)
 
   grunt.registerTask 'install', 'Install the built application', ->
     installDir = grunt.config.get('atom.installDir')
     shellAppDir = grunt.config.get('atom.shellAppDir')
     if process.platform is 'win32'
-      done = @async()
-
-      runas = require 'runas'
+      runas ?= require 'runas'
       copyFolder = path.resolve 'script', 'copy-folder.cmd'
-      # cmd /c ""script" "source" "destination""
-      arg = "/c \"\"#{copyFolder}\" \"#{shellAppDir}\" \"#{installDir}\"\""
-      if runas('cmd', [arg], hide: true) isnt 0
-        done("Failed to copy #{shellAppDir} to #{installDir}")
+      if runas('cmd', ['/c', copyFolder, shellAppDir, installDir], admin: true) isnt 0
+        grunt.log.error("Failed to copy #{shellAppDir} to #{installDir}")
 
       createShortcut = path.resolve 'script', 'create-shortcut.cmd'
-      args = ['/c', createShortcut, path.join(installDir, 'atom.exe'), 'Atom']
-      spawn {cmd: 'cmd', args}, done
+      runas('cmd', ['/c', createShortcut, path.join(installDir, 'atom.exe'), 'Atom'])
     else
       rm installDir
       mkdir path.dirname(installDir)