From 723f91a1ac7be9c43177eebba4be75ac1ff96c09 Mon Sep 17 00:00:00 2001
From: Jim O'Brien <jimmed@users.noreply.github.com>
Date: Tue, 3 Jan 2017 19:47:53 +0000
Subject: [PATCH] Don't pass non-string values to Date.parse (#2534)

Fixes: #2490 (on the correct branch this time)
---
 lib/util.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/util.js b/lib/util.js
index 5a3ac76c..31ca9bb7 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -409,7 +409,7 @@ exports.convert = function (object, type) {
 
     case 'number':
     case 'Number':
-      if (!isNaN(Date.parse(object))) {
+      if (exports.isString(object) && !isNaN(Date.parse(object))) {
         return moment(object).valueOf();
       } else {
         return Number(object.valueOf());