From 83d863f3db96b4bb3bd7aecd34bb92919c88aecc Mon Sep 17 00:00:00 2001
From: barisusakli <barisusakli@gmail.com>
Date: Fri, 15 Apr 2016 16:07:56 +0300
Subject: [PATCH] closes #4517

---
 nodebb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nodebb b/nodebb
index 3e3aac5890..fb8d0a6911 100755
--- a/nodebb
+++ b/nodebb
@@ -196,7 +196,7 @@ var getRunningPid = function(callback) {
 				description: 'Proceed with upgrade (y|n)?'.reset,
 				type: 'string'
 			}, function(err, result) {
-				if (result.upgrade === 'y' || result.upgrade === 'yes') {
+				if (['y', 'Y', 'yes', 'YES'].indexOf(result.upgrade) !== -1) {
 					process.stdout.write('\nUpgrading packages...');
 					var args = ['npm', 'i'];
 					found.forEach(function(suggestObj) {