diff --git a/install.sh b/install.sh
index 84e9390..cbae8d2 100644
--- a/install.sh
+++ b/install.sh
@@ -190,7 +190,7 @@ EOF
 # Configuring /etc/mkinitcpio.conf
 echo "Configuring /etc/mkinitcpio for ZSTD compression and LUKS hook."
 sed -i 's,#COMPRESSION="zstd",COMPRESSION="zstd",g' /mnt/etc/mkinitcpio.conf
-sed -i 's,modconf block filesystems keyboard,keyboard modconf block encrypt filesystems,g' /mnt/etc/mkinitcpio.conf
+sed -i 's,modconf block filesystems keyboard,keyboard modconf block encrypt filesystems grub-btrfs-overlayfs,g' /mnt/etc/mkinitcpio.conf
 
 # Enabling LUKS in GRUB and setting the UUID of the LUKS container.
 UUID=$(blkid $cryptroot | cut -f2 -d'"')
@@ -270,7 +270,7 @@ arch-chroot /mnt /bin/bash -e <<EOF
 
     # Installing GRUB.
     echo "Installing GRUB on /boot."
-    grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB --modules="normal test efi_gop efi_uga search echo linux all_video gfxmenu gfxterm_background gfxterm_menu gfxterm loadenv configfile" --disable-shim-lock &>/dev/null
+    grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB --modules="normal test efi_gop efi_uga search echo linux all_video gfxmenu gfxterm_background gfxterm_menu gfxterm loadenv configfile gzio part_gtp cryptodisk luks gcry_rijndael gcry_sha256 btrfs" --disable-shim-lock &>/dev/null
     
     # Creating grub config file.
     echo "Creating GRUB config file."