diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
index 4c5d914e0..236387adb 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
@@ -158,7 +158,7 @@ class App.TicketZoomArticleNew extends App.Controller
     if @subscribeIdTextModule
       App.Ticket.unsubscribe(@subscribeIdTextModule)
 
-    @(window).off 'click.ticket-zoom-select-type'
+    $(window).off 'click.ticket-zoom-select-type'
     $(window).on 'click.ticket-zoom-textarea'
 
   render: ->