diff --git a/pvesdn.adoc b/pvesdn.adoc
index 8bd004e..2e24dd2 100644
--- a/pvesdn.adoc
+++ b/pvesdn.adoc
@@ -707,6 +707,7 @@ For more information please consult the documentation of
 xref:pvesdn_ipam_plugin_pveipam[the PVE IPAM plugin]. Changing DHCP leases is
 currently not supported for the other IPAM plugins.
 
+[[pvesdn_firewall_integration]]
 Firewall Integration
 --------------------