diff --git a/htdocs/master.inc.php b/htdocs/master.inc.php
index 4c84c1ed1ea..56e960c9dc8 100644
--- a/htdocs/master.inc.php
+++ b/htdocs/master.inc.php
@@ -66,6 +66,7 @@ if (!strlen(getenv("LLX_DBNAME")))
   $conf->db->name = $dolibarr_main_db_name;
   $conf->db->user = $dolibarr_main_db_user;
   $conf->db->pass = $dolibarr_main_db_pass;
+  $conf->db->type = $dolibarr_main_db_type;
 }
 
 
@@ -77,7 +78,7 @@ if (! $conf->db->type) { $conf->db->type = 'mysql'; }
 // A terme cette constante sera définie dans la base
 define('MAIN_DB_PREFIX','llx_');
 
-require (DOL_DOCUMENT_ROOT ."/lib/mysql.lib.php");
+require (DOL_DOCUMENT_ROOT ."/lib/".$dolibarr_main_db_type.".lib.php");
 require (DOL_DOCUMENT_ROOT ."/lib/functions.inc.php");
 require (DOL_DOCUMENT_ROOT ."/html.form.class.php");
 require DOL_DOCUMENT_ROOT ."/user.class.php";