From 3fcc8278d8ff8c2c7cb371f88e0b69803c7304cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joa=CC=83o=20Paulo=20Barraca?= <jpbarraca@gmail.com>
Date: Wed, 27 Sep 2017 23:08:29 +0100
Subject: [PATCH] Fixed bug

---
 index.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index 2b9b501fc..35cb9977d 100644
--- a/index.js
+++ b/index.js
@@ -24,8 +24,11 @@ shepherd.on('permitJoining', function(joinTimeLeft) {
 });
 shepherd.on('ind', function(msg) {
     var pl = null;
-    topic = 'xiaomiZb/' + msg.endpoints[0].device.ieeeAddr.substr(2);
-
+    var topic = 'xiaomiZb/';
+    
+    if(msg.endpoints.length > 0 && typeof msg.endpoints[0].device !== "undefined")
+            topic += msg.endpoints[0].device.ieeeAddr.substr(2);
+        
     switch (msg.type) {
         case 'devIncoming':
             console.log('Device: ' + msg.data + ' joining the network!');