diff --git a/src/device/device.ts b/src/device/device.ts
index 02ca1779..edda8f51 100644
--- a/src/device/device.ts
+++ b/src/device/device.ts
@@ -312,6 +312,7 @@ export abstract class deviceBase {
     // Set an event handler
     let serviceData = { model: this.device.bleModel, modelName: this.device.bleModelName } as ad['serviceData']
     switchbot.onadvertisement = (ad: ad) => {
+      this.debugLog(`ad: ${JSON.stringify(ad, null, '  ')}`)
       if (this.device.bleMac === ad.address && ad.serviceData.model === this.device.bleModel) {
         this.debugLog(`${JSON.stringify(ad, null, '  ')}`)
         this.debugLog(`address: ${ad.address}, model: ${ad.serviceData.model}`)