From 42ef1de6c1ae792e85d02337e405884d14306df8 Mon Sep 17 00:00:00 2001
From: Kevin Huang <huang.kev@gmail.com>
Date: Thu, 23 Mar 2017 10:40:22 -0700
Subject: [PATCH] Evaluate err.message only if err exists

---
 app/actions/device.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/actions/device.js b/app/actions/device.js
index 62f3644c..65b79db5 100644
--- a/app/actions/device.js
+++ b/app/actions/device.js
@@ -54,7 +54,7 @@ const deviceActions = {
       payload: () => new Promise((resolve, reject) => {
         BluetoothService.getState((err, { state }) => {
           if (err || state !== bluetoothStates.ON) {
-            reject(new Error(err.message || 'Bluetooth is not enabled.'));
+            reject(new Error((err && err.message) || 'Bluetooth is not enabled.'));
           } else {
             Mixpanel.trackWithProperties('connectToDevice', {
               deviceIdentifier: identifier,