Index: posting.php
===================================================================
--- posting.php	(revision 9745)
+++ posting.php	(working copy)
@@ -275,7 +275,7 @@
 }
 
 // Forum/Topic locked?
-if (($post_data['forum_status'] == ITEM_LOCKED || (isset($post_data['topic_status']) && $post_data['topic_status'] == ITEM_LOCKED)) && !$auth->acl_get('m_edit', $forum_id))
+if (($post_data['forum_status'] == ITEM_LOCKED || (isset($post_data['topic_status']) && $post_data['topic_status'] == ITEM_LOCKED) || isset($post_data['topic_status'])) && !$auth->acl_get('m_edit', $forum_id))
 {
 	trigger_error(($post_data['forum_status'] == ITEM_LOCKED) ? 'FORUM_LOCKED' : 'TOPIC_LOCKED');
 }