diff --git a/grub-btrfsd b/grub-btrfsd
index 8f28268..47d1293 100755
--- a/grub-btrfsd
+++ b/grub-btrfsd
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 # Copyright 2022 Pascal Jaeger
 # Distributed under the terms of the GNU General Public License v3
 # Update GRUB when new BTRFS snapshots are created.