diff --git a/www/manager6/form/ControllerSelector.js b/www/manager6/form/ControllerSelector.js
index 8a52737d..d7c2625d 100644
--- a/www/manager6/form/ControllerSelector.js
+++ b/www/manager6/form/ControllerSelector.js
@@ -59,7 +59,7 @@ Ext.define('PVE.form.ControllerSelector', {
     },
 
     initComponent: function() {
-	var me = this;
+	let me = this;
 
 	Ext.apply(me, {
 	    fieldLabel: gettext('Bus/Device'),