diff --git a/webadmin/src/views/certs.html b/webadmin/src/views/certs.html
index caf1fec9f..6e1a3054f 100644
--- a/webadmin/src/views/certs.html
+++ b/webadmin/src/views/certs.html
@@ -11,7 +11,7 @@
 
                         <div class="form-group" ng-class="{ 'has-error': dnsCredentialsForm.customDomainId.$invalid }" uib-tooltip="{{ config.provider === 'caas' ? '' : 'Changing the domain is not yet supported' }}">
                             <label class="control-label" for="customDomainId">Domain name</label>
-                            <input type="text" class="form-control" ng-model="dnsCredentials.customDomain" id="customDomainId" name="customDomainId" ng-disabled="dnsCredentials.busy || config.provider !== 'caas'" placeholder="example.com" required autofocus>
+                            <input type="text" class="form-control" ng-model="dnsCredentials.customDomain" id="customDomainId" name="customDomainId" ng-disabled="dnsCredentials.busy || config.provider !== 'caas'" check-tld placeholder="example.com" required autofocus>
                         </div>
 
                         <div class="form-group">
diff --git a/webadmin/src/views/certs.js b/webadmin/src/views/certs.js
index a1e2877ba..403c21e1d 100644
--- a/webadmin/src/views/certs.js
+++ b/webadmin/src/views/certs.js
@@ -1,6 +1,6 @@
 'use strict';
 
-angular.module('Application').controller('CertsController', ['$scope', '$location', 'Client', function ($scope, $location, Client) {
+angular.module('Application').controller('CertsController', ['$scope', '$location', 'Client', 'ngTld', function ($scope, $location, Client, ngTld) {
     Client.onReady(function () { if (!Client.getUserInfo().admin) $location.path('/'); });
 
     $scope.config = Client.getConfig();