diff --git a/install.sh b/install.sh
index f6d4d52..0362d38 100644
--- a/install.sh
+++ b/install.sh
@@ -198,7 +198,7 @@ sed -i 's#"rootflags=subvol=${rootsubvol} ##g' /mnt/etc/grub.d/20_linux_xen
 dd bs=512 count=4 if=/dev/random of=/mnt/cryptkey/.root.key iflag=fullblock &>/dev/null
 chmod 000 /mnt/cryptkey/.root.key &>/dev/null
 cryptsetup -v luksAddKey /dev/disk/by-partlabel/cryptroot /mnt/cryptkey/.root.key
-sed -i "s,quiet,cryptdevice=UUID=$UUID:cryptroot root=$BTRFS lsm=lockdown,yama,apparmor,bpf cryptkey=rootfs:/cryptkey/.root.key,g" /mnt/etc/default/grub
+sed -i "s#quiet#cryptdevice=UUID=$UUID:cryptroot root=$BTRFS lsm=lockdown,yama,apparmor,bpf cryptkey=rootfs:/cryptkey/.root.key#g" /mnt/etc/default/grub
 sed -i 's#FILES=()#FILES=(/cryptkey/.root.key)#g' /mnt/etc/mkinitcpio.conf
 
 # Security kernel settings.