diff --git a/nixos/boxes/bolty/home-assistant.nix b/nixos/boxes/bolty/home-assistant.nix
index 996306da..2f67cc89 100644
--- a/nixos/boxes/bolty/home-assistant.nix
+++ b/nixos/boxes/bolty/home-assistant.nix
@@ -10,16 +10,18 @@
   path = "/data/nginx";
   certPath = "${path}/cert.pem";
   keyPath = "${path}/key.pem";
-  serialPort = "/dev/serial/by-id/usb-Silicon_Labs_CP2105_Dual_USB_to_UART_Bridge_Controller_012B8DD3-if00-port0";
+  zwaveSerialPort = "/dev/serial/by-id/usb-Silicon_Labs_CP2105_Dual_USB_to_UART_Bridge_Controller_012B8DD3-if00-port0";
+  zigbeeSerialPort = "/dev/serial/by-id/usb-Silicon_Labs_CP2105_Dual_USB_to_UART_Bridge_Controller_012B8DD3-if01-port0";
 in {
   imports = [../nginx.nix ./virtualisation.nix];
 
   networking.firewall.allowedTCPPorts = [port 1883 8089 8091];
 
+  # sends messages to mqtt, no direct connection with home assistant
   virtualisation.oci-containers.containers.zwave-js = {
-    image = "zwavejs/zwave-js-ui@sha256:06fa3ff17f99ba6f57ec486b62ff497ba6d534f2ab543eddbe1f7c9a142f8933";
+    image = "zwavejs/zwave-js-ui@sha256:ad447f95ac6afbdd39bf626f751d032290ea38c203945598b2395baab3d89305";
     volumes = ["zwave-js-ui:/usr/src/app/store"];
-    extraOptions = ["--device=${serialPort}:/dev/zwave"];
+    extraOptions = ["--device=${zwaveSerialPort}:/dev/zwave"];
     ports = ["8091:8091"];
   };
   services = {
@@ -50,7 +52,7 @@ in {
         frontend.port = 8089;
         mqtt.server = "mqtt://10.0.0.8:1883";
         serial = {
-          port = "/dev/serial/by-id/usb-Silicon_Labs_CP2105_Dual_USB_to_UART_Bridge_Controller_012B8DD3-if01-port0";
+          port = zigbeeSerialPort;
           baudrate = 115200;
           adapter = "ember";
         };