diff --git a/site.conf b/site.conf
index 6a32312..0ae3c7b 100644
--- a/site.conf
+++ b/site.conf
@@ -48,6 +48,12 @@
     },
   },
 
+  mesh = {
+    batman_adv = {
+      gw_sel_class = 3,
+    },
+  },
+
   next_node = {
     ip4 = '10.80.0.1',
     ip6 = 'fdef:ffc0:4fff::1',