From ed6272ce12ae249b75e9962761ad4fcbe09d3554 Mon Sep 17 00:00:00 2001
From: Anna Thomas <annat21@live.co.uk>
Date: Mon, 5 Jan 2015 10:57:49 +0000
Subject: [PATCH] Fixed check for array in MongoDB aggregate function Fixes
 #525

---
 nodes/core/storage/66-mongodb.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nodes/core/storage/66-mongodb.js b/nodes/core/storage/66-mongodb.js
index 86892580b..c0a75e792 100644
--- a/nodes/core/storage/66-mongodb.js
+++ b/nodes/core/storage/66-mongodb.js
@@ -206,7 +206,7 @@ module.exports = function(RED) {
                                 }
                             });
                         } else if (node.operation === "aggregate") {
-                            msg.payload = (msg.payload instanceof Array) ? msg.payload : [];
+                            msg.payload = (Array.isArray(msg.payload)) ? msg.payload : [];
                             coll.aggregate(msg.payload, function(err, result) {
                                 if (err) {
                                     node.error(err);