From be96704d5dbe9c477e5899947f84c769c3883900 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Fri, 26 Aug 2016 15:56:11 -0400
Subject: [PATCH] possible fix for #4981

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

diff --git a/src/posts/summary.js b/src/posts/summary.js
index e3e948c292..b4012aada0 100644
--- a/src/posts/summary.js
+++ b/src/posts/summary.js
@@ -121,7 +121,7 @@ module.exports = function(Posts) {
 
 			var cids = topics.map(function(topic) {
 				if (topic) {
-					topic.title = validator.escape(topic.title);
+					topic.title = validator.escape(topic.title || '');
 					topic.deleted = parseInt(topic.deleted, 10) === 1;
 				}
 				return topic && topic.cid;