diff --git a/app/assets/javascripts/app/controllers/ticket_zoom.js.coffee b/app/assets/javascripts/app/controllers/ticket_zoom.js.coffee
index 1d14b077b..ed56fdd6a 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom.js.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom.js.coffee
@@ -54,7 +54,7 @@ class App.TicketZoom extends App.Controller
           update = =>
             @fetch( @ticket_id, false )
           if !@ticketUpdatedAtLastCall || ( new Date(data.updated_at).toString() isnt new Date(@ticketUpdatedAtLastCall).toString() )
-            @delay( update, 1800, 'ticket-zoom-' + @ticket_id )
+            @delay( update, 1200, 'ticket-zoom-' + @ticket_id )
     )
 
     # rerender view, e. g. on langauge change