diff --git a/phpBB/includes/search/fulltext_sphinx.php b/phpBB/includes/search/fulltext_sphinx.php
index 4c0adcd99e..4ace7c9753 100644
--- a/phpBB/includes/search/fulltext_sphinx.php
+++ b/phpBB/includes/search/fulltext_sphinx.php
@@ -44,6 +44,8 @@ class phpbb_search_fulltext_sphinx
 	var $search_query;
 	var $common_words = array();
 	var $id;
+	var $indexes;
+	var $sphinx;
 
 	public function __construct(&$error)
 	{