diff --git a/plugins/network/ddclient b/plugins/network/ddclient
index 2d5ad862..cebf6db7 100644
--- a/plugins/network/ddclient
+++ b/plugins/network/ddclient
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 #
 # Munin plugin to show changing the ip address by ddclient.