diff --git a/modules/lavinmq/module.json b/modules/lavinmq/module.json
index ba03a4d..3d6e13b 100644
--- a/modules/lavinmq/module.json
+++ b/modules/lavinmq/module.json
@@ -33,6 +33,12 @@
     "broker": "/var/lib/mesh/lavinmq/broker"
   },
   "listens": [
+    {
+      "port": 5671,
+      "protocol": "tcp",
+      "from": "mesh",
+      "why": "the mesh bus \u2014 amqps, every module's events and the control plane, reached over the overlay"
+    },
     {
       "port": 5672,
       "protocol": "tcp",