diff --git a/include/basis_db.class.php b/include/basis_db.class.php
index c710e304d..ff80d579e 100644
--- a/include/basis_db.class.php
+++ b/include/basis_db.class.php
@@ -1,5 +1,5 @@
 <?php
-require_once('basis.class.php');
+require_once(dirname(__FILE__).'/basis.class.php');
 
 abstract class db extends basis
 {
@@ -27,6 +27,6 @@ abstract class db extends basis
 	abstract function db_version();
 }
 
-require_once(DB_SYSTEM.'.class.php');
+require_once(dirname(__FILE__).'/'.DB_SYSTEM.'.class.php');
  
 ?>
\ No newline at end of file