diff --git a/scripts/OS/Arch/setup.sh b/scripts/OS/Arch/setup.sh
index cd03725e..8d9d25bd 100755
--- a/scripts/OS/Arch/setup.sh
+++ b/scripts/OS/Arch/setup.sh
@@ -30,7 +30,7 @@ echo "Please choose a password for the user \`root\`";
 arch-chroot "$ARCH_MOUNT_ROOT" passwd;
 
 dir="$(realpath ../../..)";
-scriptRoot="$(realpath --relative "$(pwd)" "$dir")";
+scriptRoot="$(realpath --relative-to "$(pwd)" "$dir")";
 cp -r "$dir" "$ARCH_MOUNT_ROOT/tmp/";
 arch-chroot "$ARCH_MOUNT_ROOT" . "$scriptRoot/../../Software/GRUB/install.sh";