Bug on the bonus "unstoppable force"

There is a bug on the ogryn knife, the buff “unstoppable force” supposed to ignore armore cleave on heavy attacks.

It works in meat grinder even on shiel ogryn and crushers.

It doesn’t work when in missions.

Hope it will be seen.
Best regards

I would repost this in the “Bugs” section. This section feedback is never acknowledged by the dev team.