diff --git a/ip6t-firewall-server b/ip6t-firewall-server
index ea39c52..f3246ee 100755
--- a/ip6t-firewall-server
+++ b/ip6t-firewall-server
@@ -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-server b/ipt-firewall-server
index 89e370d..89a90d1 100755
--- a/ipt-firewall-server
+++ b/ipt-firewall-server
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 ### BEGIN INIT INFO
 # Provides:          ipt-firewall
 # Required-Start:    $local_fs $remote_fs $syslog $network