diff --git a/archinstall/archinstall.sh b/archinstall/archinstall.sh
old mode 100644
new mode 100755
index d27f867..6684085
--- a/archinstall/archinstall.sh
+++ b/archinstall/archinstall.sh
@@ -699,7 +699,8 @@ if [[ -z $partefi ]];then
 			#Arranque silencioso
 			sed -i 's/\GRUB_CMDLINE_LINUX_DEFAULT="quiet"/GRUB_CMDLINE_LINUX_DEFAULT="quiet loglevel=3 vga=current"/g' /mnt/etc/default/grub
 			echo "Instalando GRUB para BIOS/MBR"
-			inchroot grub-install --target=i386-pc /dev/$argpart
+			#Se usa la variable ${hd} que se escogió al principio
+			inchroot grub-install --target=i386-pc /dev/${hd}
 			inchroot grub-mkconfig -o /boot/grub/grub.cfg
 			;;
 		2)