diff --git a/trisquel-automatic-netinstall-qemu/libre-en-communs-guix-shell.sh b/trisquel-automatic-netinstall-qemu/libre-en-communs-guix-shell.sh
index 15d3fa7..1079a9d 100755
--- a/trisquel-automatic-netinstall-qemu/libre-en-communs-guix-shell.sh
+++ b/trisquel-automatic-netinstall-qemu/libre-en-communs-guix-shell.sh
@@ -12,6 +12,13 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
+# Libre en communs physical machines have Trisquel and just installed
+# Guix through the package manager. So we end up with Guix 1.3.0 which
+# doesn't have guix shell. Once Guix is upgraded with 'guix pull', we
+# still don't have 'guix shell' without exporting the variables below.
+GUIX_PROFILE="${HOME}/.config/guix/current"
+. "$GUIX_PROFILE/etc/profile"
+
 # The Libre en communs physical machines lack many packages, so when
 # this is the case we can simply use Guix to get these packages, but
 # at the same time resources are also very constrained (because the