diff --git a/nixng/containers/home-assistant/zigbee2mqtt.nix b/nixng/containers/home-assistant/zigbee2mqtt.nix
index 6db12ec..ee9acad 100644
--- a/nixng/containers/home-assistant/zigbee2mqtt.nix
+++ b/nixng/containers/home-assistant/zigbee2mqtt.nix
@@ -24,7 +24,7 @@ makeSystem {
           envsubst = true;
           config = {
             homeassistant = true;
-            permit_join = true;
+            permit_join = false;
             mqtt = {
               base_topic = "zigbee2mqtt";
               server = "mqtt://127.0.0.1:1883";