This bug has been fixed in master: http://git.xfce.org/xfce/xfce4-power-manager/commit/?id=5add232a73e348b0aa56aedfb4cb75051e817c84
This bug has been fixed in master: http:// git.xfce. org/xfce/ xfce4-power- manager/ commit/ ?id=5add232a73e 348b0aa56aedfb4 cb75051e817c84