diff --git a/ip6t-firewall-vserver b/ip6t-firewall-vserver
index 9a0ae8a..8a17767 100755
--- a/ip6t-firewall-vserver
+++ b/ip6t-firewall-vserver
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 ### BEGIN INIT INFO
 # Provides:          ip6t-firewall
 # Required-Start:    $local_fs $remote_fs $syslog $network $time
diff --git a/ipt-firewall-vserver b/ipt-firewall-vserver
index dd1d2e6..76760f7 100755
--- a/ipt-firewall-vserver
+++ b/ipt-firewall-vserver
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 ### BEGIN INIT INFO
 # Provides:          ipt-firewall
 # Required-Start:    $local_fs $remote_fs $syslog $network