From cd5c24efe3788dbb62e4c146c49e60ecb6328844 Mon Sep 17 00:00:00 2001
From: barisusakli <barisusakli@gmail.com>
Date: Fri, 13 Jun 2014 15:35:35 -0400
Subject: [PATCH] possible fix for #1688

---
 src/topics.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/topics.js b/src/topics.js
index c0db6b4abd..4ee8a5909f 100644
--- a/src/topics.js
+++ b/src/topics.js
@@ -297,7 +297,7 @@ var async = require('async'),
 							if (err) {
 								return next(err);
 							}
-							if (!Array.isArray(postData) || !postData.length) {
+							if (!Array.isArray(postData) || !postData.length || !postData[0]) {
 								return next(null, []);
 							}
 							postData[0].index = 0;