diff --git a/includes/SearchMySQL.php b/includes/SearchMySQL.php
index b36cea6afb7..304c714050e 100644
--- a/includes/SearchMySQL.php
+++ b/includes/SearchMySQL.php
@@ -177,7 +177,7 @@ class SearchMySQL extends SearchEngine {
 			array( 'si_title' => $title ),
 			array( 'si_page'  => $id ),
 			'SearchMySQL4::updateTitle',
-			$dbw->lowPriorityOption() );
+			array( $dbw->lowPriorityOption() ) );
 	}
 }