pipemenu в openbox как корневое

<?xml version="1.0" encoding="utf-8"?>
<openbox_menu xmlns="http://openbox.org/"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://openbox.org/">
    <menu id="root-menu" label="menu-generator" execute="/usr/local/bin/menu-generator" />
</openbox_menu>