diff --git a/scripts/OS/Arch/setup.sh b/scripts/OS/Arch/setup.sh
index 8d9d25bd..351e5465 100755
--- a/scripts/OS/Arch/setup.sh
+++ b/scripts/OS/Arch/setup.sh
@@ -32,6 +32,6 @@ arch-chroot "$ARCH_MOUNT_ROOT" passwd;
 dir="$(realpath ../../..)";
 scriptRoot="$(realpath --relative-to "$(pwd)" "$dir")";
 cp -r "$dir" "$ARCH_MOUNT_ROOT/tmp/";
-arch-chroot "$ARCH_MOUNT_ROOT" . "$scriptRoot/../../Software/GRUB/install.sh";
+arch-chroot "$ARCH_MOUNT_ROOT" bash "$scriptRoot/../../Software/GRUB/install.sh";
 
 popd > /dev/null;