diff --git a/roles/mesh-interfaces/templates/mesh.conf.j2 b/roles/mesh-interfaces/templates/mesh.conf.j2
index 2393a54..74649cc 100644
--- a/roles/mesh-interfaces/templates/mesh.conf.j2
+++ b/roles/mesh-interfaces/templates/mesh.conf.j2
@@ -11,6 +11,9 @@ iface br-{{ site_code }}
 	#
 	address		{{ batman_ipv4 }}
 	address		{{ batman_ipv6 }}
+	{% if global_ipv6 is defined %}
+	address		{{ global_ipv6 }}
+	{% endif %}
 
 # bat-{{ site_code }}
 auto bat-{{ site_code }}