diff --git a/nsupdate.sh b/nsupdate.sh
index c991a7d..745db13 100755
--- a/nsupdate.sh
+++ b/nsupdate.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Update a nameserver entry at inwx with the current WAN IP (DynDNS)