diff --git a/app/assets/javascripts/webchat-iframe.html.erb b/app/assets/javascripts/webchat-iframe.html.erb
index 4c6dc761c..006a2f6e1 100644
--- a/app/assets/javascripts/webchat-iframe.html.erb
+++ b/app/assets/javascripts/webchat-iframe.html.erb
@@ -24,7 +24,7 @@
     }
 
     function loadIFrame(pageURL, pageTitle) {
-      var src = 'https://mcb.kcom.com/system/Offers.egain?command=GetRulesJS&egofferpageurl=' + pageURL + '&egofferpagetitle=' + pageTitle + '&egofferpatternchecksum=';
+      var src = 'https://online.hmrc.gov.uk/webchat/Offers.egain?command=GetRulesJS&egofferpageurl=' + pageURL + '&egofferpagetitle=' + pageTitle + '&egofferpatternchecksum=';
 
       var script = $('<script/>');
       script.on('load', function(){