diff --git a/phpBB/cron.php b/phpBB/cron.php
index 6c4fdf6b7a..45d2f81f1d 100644
--- a/phpBB/cron.php
+++ b/phpBB/cron.php
@@ -52,6 +52,10 @@ switch ($cron_type)
 		}
 	break;
 
+	case 'tidy_search':
+		set_config('search_last_gc', time(), true);
+	break;
+
 	case 'tidy_database':
 		include_once($phpbb_root_path . 'includes/functions_admin.'.$phpEx);