No Reverb or Delay on PERC synth Kick and Toms

Tracker mini, firmware 2.2.1

When I use a PERC synth track and add reverb in the instrument settings then it is not applied to Kick an Toms. Works fine on all other PERC sounds like snare and HH.

Is there a setting where I can change this per sound in PERC?

Is this a bug or a feature?