From 183d3c3ca4acb68edafc2a7ac537ca4406d79c7f Mon Sep 17 00:00:00 2001
From: Lyubomir Marinov <lyubomir.marinov@jitsi.org>
Date: Fri, 10 Feb 2017 00:47:55 -0600
Subject: [PATCH] Fix a possible undefined state usage

---
 react/features/background/middleware.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/react/features/background/middleware.js b/react/features/background/middleware.js
index 07e374ec2..debdbd09a 100644
--- a/react/features/background/middleware.js
+++ b/react/features/background/middleware.js
@@ -33,10 +33,10 @@ import { MiddlewareRegistry } from '../base/redux';
 MiddlewareRegistry.register(store => next => action => {
     switch (action.type) {
     case _SET_APP_STATE_LISTENER: {
-        const bgState = store.getState()['features/background'];
+        const { appStateListener } = store.getState()['features/background'];
 
-        if (bgState.appStateListener) {
-            AppState.removeEventListener('change', bgState.listener);
+        if (appStateListener) {
+            AppState.removeEventListener('change', appStateListener);
         }
         if (action.listener) {
             AppState.addEventListener('change', action.listener);