Problem with 7.1 E-AC3 audio streams

Right now I only could do it on my Raspberry Pi cause i don’t have my Vero here at the moment.
But the problem both happen on the Pi and the Vero.
The screenshots above are also from my Pi

I don’t know if it helps you but I also use Plex and the Plex web browser interface also displays a channel layout of only 5.1 channels