diff --git a/htdocs/core/class/utils.class.php b/htdocs/core/class/utils.class.php
index 61fc845d7dc..dedd55d1a01 100644
--- a/htdocs/core/class/utils.class.php
+++ b/htdocs/core/class/utils.class.php
@@ -732,7 +732,7 @@ class Utils
                 chdir($dirofmodule);
 
                 require_once DOL_DOCUMENT_ROOT.'/core/class/utils.class.php';
-                $utils = new Utils($db);
+                $utils = new Utils($this->db);
 
                 // Build HTML doc
 				$command=$conf->global->MODULEBUILDER_ASCIIDOCTOR.' '.$destfile.' -n -o '.$dirofmoduledoc.'/'.$FILENAMEDOC;