Hi Maxime, > Which architecture are you on? You can find out with > $ echo '(use-modules (guix utils)) (%current-system)' | guix repl
$1 = "x86_64-linux" Running emacs command failed but 'emacs -Q' works. altomcat@guix ~$ emacs (process:1306): Gtk-WARNING **: 08:41:25.920: Locale not supported by C library. Using the fallback 'C' locale. /home/altomcat/.guix-profile/bin/emacs: symbol lookup error: /home/altomcat/.guix-profile/bin/emacs: undefined symbol: rsvg_handle_set_stylesheet altomcat@guix ~$ emacs -Q (process:1314): Gtk-WARNING **: 08:41:29.223: Locale not supported by C library. Using the fallback 'C' locale. Thanks, Arnaud