diff --git a/home-assistant/kustomization.yaml b/home-assistant/kustomization.yaml
index 32e81e5..3528244 100644
--- a/home-assistant/kustomization.yaml
+++ b/home-assistant/kustomization.yaml
@@ -41,6 +41,10 @@ configMapGenerator:
   files:
   - mosquitto.conf
 
+- name: zigbee2mqtt
+  envs:
+  - zigbee2mqtt.env
+
 patches:
 - patch: |-
     apiVersion: apps/v1
diff --git a/home-assistant/zigbee2mqtt.env b/home-assistant/zigbee2mqtt.env
new file mode 100644
index 0000000..d5e2d59
--- /dev/null
+++ b/home-assistant/zigbee2mqtt.env
@@ -0,0 +1 @@
+ZIGBEE2MQTT_CONFIG_MQTT_SERVER=mqtts://mqtt.pyrocufflink.blue:8883
diff --git a/home-assistant/zigbee2mqtt.yaml b/home-assistant/zigbee2mqtt.yaml
index be20c00..3b57bc0 100644
--- a/home-assistant/zigbee2mqtt.yaml
+++ b/home-assistant/zigbee2mqtt.yaml
@@ -61,6 +61,10 @@ spec:
       containers:
       - name: zigbee2mqtt
         image: docker.io/koenkk/zigbee2mqtt:1.33.1
+        envFrom:
+        - configMapRef:
+            name: zigbee2mqtt
+            optional: true
         ports:
         - containerPort: 8080
           name: http