diff --git a/atom/browser/api/lib/auto-updater/auto-updater-win.coffee b/atom/browser/api/lib/auto-updater/auto-updater-win.coffee
index 556b86cbc95e..1f9fcd185fc1 100644
--- a/atom/browser/api/lib/auto-updater/auto-updater-win.coffee
+++ b/atom/browser/api/lib/auto-updater/auto-updater-win.coffee
@@ -1,8 +1,7 @@
 {EventEmitter} = require 'events'
 SquirrelUpdate = require './auto-updater/squirrel-update-win'
 
-class AutoUpdater
-  @__proto__ = EventEmitter.prototype
+class AutoUpdater extends EventEmitter
 
   quitAndInstall: ->
     # TODO