diff --git a/rhino.js b/rhino.js
index d1892dc..75c6e40 100644
--- a/rhino.js
+++ b/rhino.js
@@ -6,7 +6,7 @@
     }
 
     defaults = {
-	predef: ['Ext', 'PVE', 'PMG', 'PVE_vnc_console_event', 'FormData', 'gettext'],
+	predef: ['Ext', 'PVE', 'PMG', 'PVE_vnc_console_event', 'FormData', 'gettext', 'Proxmox'],
 	devel:      true,
 	'continue': true,   /// Allow continue statement
 	bitwise:    true,   //  Allow bitwise operators