diff --git a/install-grub.sh b/install-grub.sh
index c8b45f9..1bdb81f 100644
--- a/install-grub.sh
+++ b/install-grub.sh
@@ -171,7 +171,7 @@ echo
 
 # Setting type for EFI.
 echo "Marking partition as boot."
-sgdisk -t 1:ef00 /dev/$dev &&
+sgdisk -t 1:ef02 /dev/$dev &&
 echo
 
 # Creating system partition.
@@ -223,7 +223,7 @@ echo
  
 echo "Creating the filesystem."
 boot=${dev}1
-mkfs.fat -F 32 -n UEFI /dev/$boot &&
+mkfs.fat -F 32 -n BIOS /dev/$boot &&
 echo "Filesystem for boot successfully created."
 echo
  
@@ -340,8 +340,8 @@ echo
 
 # Install bootloader.
 echo "Installing GRUB."
-grub-install /dev/$dev &&
-grub-mkconfig -o /boot/grub/grub.cfg &&
+arch-chroot /mnt grub-install --target=i386-pc /dev/$dev &&
+arch-chroot /mnt grub-mkconfig -o /boot/grub/grub.cfg &&
 echo "Done."
 echo