diff --git a/webadmin/src/js/update.js b/webadmin/src/js/update.js
index 03124472c..174ef96ad 100644
--- a/webadmin/src/js/update.js
+++ b/webadmin/src/js/update.js
@@ -41,9 +41,10 @@ app.controller('Controller', ['$scope', '$http', '$interval', function ($scope,
 
                     if (!data.migrate.info) return;
 
-                    // check if the new domain is available. only works for valid ca-certs
-                    $http.get('https://my.' + data.migrate.info.domain + '/api/v1/cloudron/status').success(function(data, status) {
-                        if (status === 200) return window.location = 'https://my.' + data.migrate.info.domain;
+                    // check if the new domain is available via the appstore (cannot use cloudron
+                    // directly as we might hit NXDOMAIN)
+                    $http.get(data.apiServerOrigin + '/api/v1/boxes/' + data.migrate.info.domain + '/status').success(function(data, status) {
+                        if (status === 200 && data.status === 'ready') return window.location = 'https://my.' + data.migrate.info.domain;
                     });
                 }
             }