From 6deae170bd6cec4788e6b056a04fb00957abb39c Mon Sep 17 00:00:00 2001
From: Jakub Senko <jakubsenko@gmail.com>
Date: Mon, 18 Jun 2018 18:38:53 +0200
Subject: [PATCH] [ticket/15670] Fix SQL error when !f_list_topics and f_read

PHPBB3-15670
---
 phpBB/viewforum.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpBB/viewforum.php b/phpBB/viewforum.php
index 04a39e83d5..416ffe3d90 100644
--- a/phpBB/viewforum.php
+++ b/phpBB/viewforum.php
@@ -506,7 +506,7 @@ if ($forum_data['forum_type'] == FORUM_POST)
 
 		'WHERE'		=> '(t.forum_id = ' . $forum_id . '
 				AND t.topic_type = ' . POST_ANNOUNCE . ') OR
-			(' . $db->sql_in_set('t.forum_id', $g_forum_ary) . '
+			(' . $db->sql_in_set('t.forum_id', $g_forum_ary, false, true) . '
 				AND t.topic_type = ' . POST_GLOBAL . ')',
 
 		'ORDER_BY'	=> 't.topic_time DESC',