diff --git a/web/origin-manager/util.js b/web/origin-manager/util.js
index 197aab41..010515c5 100644
--- a/web/origin-manager/util.js
+++ b/web/origin-manager/util.js
@@ -1,10 +1,10 @@
 function operator_url() {
-    var domain_parent = window.location.hostname.split('.').splice(1).join('.');
+    var domain_parent = window.location.hostname.split('.').splice(-2).join('.');
     var subdomain = domain_parent.endsWith('suse.de') ? 'tortuga' : 'operator';
     return 'https://' + subdomain + '.' + domain_parent;
 }
 
 function obs_url() {
-    var domain_parent = window.location.hostname.split('.').splice(1).join('.');
+    var domain_parent = window.location.hostname.split('.').splice(-2).join('.');
     return 'https://build.' + domain_parent;
 }