From 13bf4d2e8f36f36e7c559cf2edff1e723d3995cd Mon Sep 17 00:00:00 2001
From: Nitesh Kumar <niteskum@adobe.com>
Date: Fri, 13 Mar 2020 16:45:43 +0530
Subject: [PATCH] addressed review comments

---
 src/file/FileUtils.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/file/FileUtils.js b/src/file/FileUtils.js
index 819168d12b4..284c839b44e 100644
--- a/src/file/FileUtils.js
+++ b/src/file/FileUtils.js
@@ -546,9 +546,9 @@ define(function (require, exports, module) {
      */
     function addExtensionToExternalAppList(ext) {
 
-        if(typeof ext !== 'string') {
+        if(Array.isArray(ext)) {
             extListToBeOpenedInExtApp = ext;
-        } else {
+        } else if (typeof ext === 'string'){
             extListToBeOpenedInExtApp.push(ext);
         }
     }