transparent-clipping 'cuts' desktop background in xfce

[DiKetarogg]

Hi there.

I'm new to picom.

I want to make transparent background and hide all overlapping parts of windows and see the desktop (or an image is ok).

I read about the transparent-clipping, but for me it removes the desktop as well, so I just get black background. Is that an xfce issue or am I doing something wrong on picom's side?

I also tried setting --transparent-clipping-exclude="window_type != 'desktop'"
For != it doesn't apply transparent-clipping at al and for = it still removes the desktop.

Thank you.

System:
CachyOS Xfce4 Xfwm4 (X11)