Jack service not starting

I’m trying to set up a headless back-end for pianoteq. I’m using a RPi3 with a Hifi berry hat and for some reason when I boot, the jack daemon isn’t started. I can start it manually using the config utility but then booting again goes back to a non-running jackd.

Any idea why this happens ?
Thanks !

What is the output of sudo systemctl status jack after booting?

I have same problem and my output is this:

patch@patchbox:~ $ sudo systemctl status jack
● jack.service - JACK Server
   Loaded: loaded (/lib/systemd/system/jack.service; disabled; vendor preset: en
   Active: inactive (dead)


sudo systemctl enable jack
sudo systemctl start jack
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