diff --git a/platforms/livecd-gnome-root/post.inc.sh b/platforms/livecd-gnome-root/post.inc.sh
index 11de8b5..0dd8e2c 100644
--- a/platforms/livecd-gnome-root/post.inc.sh
+++ b/platforms/livecd-gnome-root/post.inc.sh
@@ -18,7 +18,11 @@ sed -i "s|id:3\(:initdefault.*\)|id:5\1|" $MOUNTDIR/etc/inittab
 
 # configure GDM for autologin
 #
-#   sed -i 's|[#]*AutoLoginEnable=.*|AutoLoginEnable=true|' \
+cat > $MOUNTDIR/etc/gdm/gdm.conf << _EOF
+[daemon]
+AutomaticLoginEnable=true
+AutomaticLogin=root
+_EOF
 
 # FIXME: ensure alternatives are correclty set
 chroot $MOUNTDIR update-alternatives-set-dri