diff --git a/apps/federation/js/settings-admin.js b/apps/federation/js/settings-admin.js
index 45d5d62a5a..10fabbeb9b 100644
--- a/apps/federation/js/settings-admin.js
+++ b/apps/federation/js/settings-admin.js
@@ -60,7 +60,7 @@ $(document).ready(function () {
 // remove trusted server from list
 	$( "#listOfTrustedServers" ).on('click', 'li > .icon-delete', function() {
 		var $this = $(this).parent();
-		id = $this.attr('id');
+		var id = $this.attr('id');
 		$.ajax({
 			url: OC.generateUrl('/apps/federation/trusted-servers/' + id),
 			type: 'DELETE',