diff --git a/phpBB/includes/search/base.php b/phpBB/includes/search/base.php
index 11e5535979..2047742367 100644
--- a/phpBB/includes/search/base.php
+++ b/phpBB/includes/search/base.php
@@ -94,7 +94,7 @@ class phpbb_search_base
 	*
 	* @return int SEARCH_RESULT_NOT_IN_CACHE or SEARCH_RESULT_IN_CACHE or SEARCH_RESULT_INCOMPLETE
 	*/
-	function obtain_ids($search_key, &$result_count, &$id_ary, $start, $per_page, $sort_dir)
+	function obtain_ids($search_key, &$result_count, &$id_ary, &$start, $per_page, $sort_dir)
 	{
 		global $cache;
 		if (!($stored_ids = $cache->get('_search_results_' . $search_key)))
diff --git a/phpBB/includes/search/fulltext_mysql.php b/phpBB/includes/search/fulltext_mysql.php
index acb1a7bde8..749353b2ee 100644
--- a/phpBB/includes/search/fulltext_mysql.php
+++ b/phpBB/includes/search/fulltext_mysql.php
@@ -353,7 +353,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
 	* @param	int			$per_page			number of ids each page is supposed to contain
 	* @return	boolean|int						total number of results
 	*/
-	public function keyword_search($type, $fields, $terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_ary, $author_name, &$id_ary, $start, $per_page)
+	public function keyword_search($type, $fields, $terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_ary, $author_name, &$id_ary, &$start, $per_page)
 	{
 		// No keywords? No posts
 		if (!$this->search_query)