Hi Tobias, thank you for your immediate reply! Tobias Geerinckx-Rice writes: > Hi Giovanni, > > (Did you mean to immediately open a bug report?) yes, I really missed my obvious mistake, sorry! [...] >> (append (list (privileged-program >> (program (file-append spice-gtk "/libexec/spice-client-glib-usb-acl-helper")) >> (setuid? #t)) >> %default-privileged-programs))) > > You should really [configure your editor to] indent your code. isn't it? As you can see "%default-privileged-programs" is aligned with the previous "(privileged-program": AFAIU it's a correct inidentation (for the record I'm using Emacs in scheme-mode with the default indentation rules) [...] > (append (list foo %another-list)) sorry, I "simply" missed to understand I was using a list inside a list :-( forgive me, I'm closing this NON-bug Happy hacking! Gio' -- Giovanni Biscuolo Xelera IT Infrastructures