diff --git a/arch.sh b/arch.sh
old mode 100644
new mode 100755
index d1a888b..01801e3
--- a/arch.sh
+++ b/arch.sh
@@ -7,7 +7,7 @@ TARGET='/mnt'
 ######################################
 clear
 echo
-HARD_DISK=$(lsblk | cut -d ' ' -f1 | grep -vi zram | head -2 | tail -1)
+HARD_DISK=/dev/$(lsblk | cut -d ' ' -f1 | grep -viE 'loop0|sr0|zram' | head -2 | tail -1)
 EFI="/dev/$(lsblk | grep $HARD_DISK | head -2 | tail -1 | cut -c 7-20 | cut -d ' ' -f1)"
 BTRFS="/dev/$(lsblk | grep $HARD_DISK | head -3 | tail -1 | cut -c 7-20 | cut -d ' ' -f1)"
 ROOT_NAME='arch'