diff --git a/src/Utils.js b/src/Utils.js
index f269607..07c1601 100644
--- a/src/Utils.js
+++ b/src/Utils.js
@@ -527,12 +527,7 @@ utilities: {
     // Proxmox.Async.api2({
     //     ...
     // }).catch(Proxmox.Utils.alertResponseFailure);
-    alertResponseFailure: (response) => {
-	Ext.Msg.alert(
-	    gettext('Error'),
-	    response.htmlStatus || response.result.message,
-	);
-    },
+    alertResponseFailure: res => Ext.Msg.alert(gettext('Error') res.htmlStatus || res.result.message),
 
     checked_command: function(orig_cmd) {
 	Proxmox.Utils.API2Request(