No sleep-mode with active Subsonic on my Synology NAS

[ombra040683]

Hi

I have intalled the current Subsonic (6.1.6) on my Synology DS218+ NAS (DSM 6.2.2-24922).
The Subsonic worke fine so far but my NAS don`t go into sleep-mode anymore. If I stop the Subsonic packge the sleep mode works fine.
Can anyone help me to solve this issue?

THANKS!