diff --git a/src/form/DateTimeField.js b/src/form/DateTimeField.js
index 87bb1ef..0953c40 100644
--- a/src/form/DateTimeField.js
+++ b/src/form/DateTimeField.js
@@ -1,5 +1,7 @@
 Ext.define('Proxmox.DateTimeField', {
     extend: 'Ext.form.FieldContainer',
+    // FIXME: remove once all use sites upgraded (with versioned depends on new WTK!)
+    alias: ['widget.promxoxDateTimeField']
     xtype: 'proxmoxDateTimeField',
 
     layout: 'hbox',