diff --git a/doc/firewall-sosdg.init b/doc/firewall-sosdg.init
index 80abed0..c80be55 100755
--- a/doc/firewall-sosdg.init
+++ b/doc/firewall-sosdg.init
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 ### BEGIN INIT INFO
 # Provides:          firewall-sosdg
 # Required-Start:    $local_fs $network