diff --git a/phpBB/includes/db/dbal.php b/phpBB/includes/db/dbal.php
index 9618c71d3d..c8b0eebc76 100644
--- a/phpBB/includes/db/dbal.php
+++ b/phpBB/includes/db/dbal.php
@@ -28,6 +28,9 @@ class dbal
 	var $sql_report = '';
 	var $cache_num_queries = 0;
 	
+	var $persistency = false;
+	var $user = '';
+	var $server = '';
 	var $dbname = '';
 	
 	/**