diff --git a/lab001-control-node.xml b/lab001-control-node.xml
index 5bcb245f..c427aeb6 100644
--- a/lab001-control-node.xml
+++ b/lab001-control-node.xml
@@ -168,7 +168,7 @@ iface eth2 inet dhcp</programlisting>
     <listitem>
       <para>Enable IP_Forwarding:</para>
       <para>
-        <screen><prompt>#</prompt> <userinput>sed -i 's/net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf</userinput></screen>
+        <screen><prompt>#</prompt> <userinput>sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf</userinput></screen>
       </para>
     </listitem>
     <listitem>