From 837f4117834f23809570b165f4cf93c72afba4b5 Mon Sep 17 00:00:00 2001
From: Baris Usakli <barisusakli@gmail.com>
Date: Wed, 17 Oct 2018 12:08:33 -0400
Subject: [PATCH] closes #6843

---
 src/prestart.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/prestart.js b/src/prestart.js
index 12b4d2973c..60edbc7ed3 100644
--- a/src/prestart.js
+++ b/src/prestart.js
@@ -9,6 +9,10 @@ var pkg = require('../package.json');
 var dirname = require('./cli/paths').baseDir;
 
 function setupWinston() {
+	if (!winston.format) {
+		return;
+	}
+
 	var formats = [];
 
 	if (nconf.get('log-colorize') !== 'false') {