From 681135ac99016fbc4b737a1bcb9442a58e92a9e2 Mon Sep 17 00:00:00 2001
From: Toby Zerner <toby.zerner@gmail.com>
Date: Tue, 28 Jul 2015 12:27:59 +0930
Subject: [PATCH] Make sure sort key exists

---
 framework/core/src/Forum/Actions/IndexAction.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/core/src/Forum/Actions/IndexAction.php b/framework/core/src/Forum/Actions/IndexAction.php
index f7d1cef2a..3894f118d 100644
--- a/framework/core/src/Forum/Actions/IndexAction.php
+++ b/framework/core/src/Forum/Actions/IndexAction.php
@@ -29,7 +29,7 @@ class IndexAction extends ClientAction
         $q = array_pull($queryParams, 'q');
 
         $params = [
-            'sort' => $sort ? $this->sortMap[$sort] : '',
+            'sort' => $sort && isset($this->sortMap[$sort]) ? $this->sortMap[$sort] : '',
             'filter' => ['q' => $q]
         ];