diff --git a/package-lock.json b/package-lock.json
index 4e0d7f8..0763d4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "homebridge-homewizard-power-consumption",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "homebridge-homewizard-power-consumption",
-      "version": "1.6.2",
+      "version": "1.6.3",
       "license": "Apache-2.0",
       "dependencies": {
         "axios": "^1.6.7"
diff --git a/package.json b/package.json
index 5fa74b1..38ea6db 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "homebridge-homewizard-power-consumption",
   "displayName": "Homewizard Power Consumption",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "description": "See current power consumption and power return in Homekit",
   "license": "Apache-2.0",
   "author": "Jasper Seinhorst",
diff --git a/src/Accessories/PowerConsumption.ts b/src/Accessories/PowerConsumption.ts
index 21a7325..2cba18f 100644
--- a/src/Accessories/PowerConsumption.ts
+++ b/src/Accessories/PowerConsumption.ts
@@ -10,7 +10,7 @@ export default class PowerConsumption implements HomewizardPowerConsumptionAcces
     this.accessory.getService(this.Service.AccessoryInformation)
       .setCharacteristic(this.Characteristic.Manufacturer, 'Homewizard')
       .setCharacteristic(this.Characteristic.Model, device.product_name)
-      .setCharacteristic(this.Characteristic.SerialNumber, device.serial);
+      .setCharacteristic(this.Characteristic.SerialNumber, `${device.serial}-power-consumption`);
 
     this.powerService = this.accessory.getService(this.Service.LightSensor) || this.accessory.addService(this.Service.LightSensor);
   }
diff --git a/src/Accessories/PowerReturn.ts b/src/Accessories/PowerReturn.ts
index ec4fdf7..5d12b6b 100644
--- a/src/Accessories/PowerReturn.ts
+++ b/src/Accessories/PowerReturn.ts
@@ -10,7 +10,7 @@ export default class PowerReturn implements HomewizardPowerConsumptionAccessory
     this.accessory.getService(this.Service.AccessoryInformation)
       .setCharacteristic(this.Characteristic.Manufacturer, 'Homewizard')
       .setCharacteristic(this.Characteristic.Model, device.product_name)
-      .setCharacteristic(this.Characteristic.SerialNumber, device.serial);
+      .setCharacteristic(this.Characteristic.SerialNumber, `${device.serial}-power-return`);
 
     this.powerService = this.accessory.getService(this.Service.LightSensor) || this.accessory.addService(this.Service.LightSensor);
   }