From 60d405a99890f195b11d1962bf74e28f5c0b7563 Mon Sep 17 00:00:00 2001
From: Stefan Nienhuis <stefan@nienhuisdevelopment.com>
Date: Tue, 8 Feb 2022 18:01:10 +0100
Subject: [PATCH] Fix empty serial number error

---
 src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 5d2246b..adf4211 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -90,7 +90,7 @@ class BoldPlatform implements DynamicPlatformPlugin {
                           .onGet(() => device.model.model || 'Lock');
 
         informationService.getCharacteristic(this.hap.Characteristic.SerialNumber)
-                          .onGet(() => device.serial || '');
+                          .onGet(() => device.serial || 'Unknown');
 
         informationService.getCharacteristic(this.hap.Characteristic.FirmwareRevision)
                           .onGet(() => `${device.actualFirmwareVersion || 'Unknown'}`);