diff --git a/htdocs/comm/action/document.php b/htdocs/comm/action/document.php
index 90ed4ea1944..ada742f9742 100644
--- a/htdocs/comm/action/document.php
+++ b/htdocs/comm/action/document.php
@@ -34,7 +34,7 @@ require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
-if (!empty($conf->project->enabled)) {
+if (isModEnabled('project')) {
 	require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 }
 
@@ -159,7 +159,7 @@ if ($object->id > 0) {
 	// Thirdparty
 	//$morehtmlref.='<br>'.$langs->trans('ThirdParty') . ' : ' . $object->thirdparty->getNomUrl(1);
 	// Project
-	if (!empty($conf->project->enabled)) {
+	if (isModEnabled('project')) {
 		$langs->load("projects");
 		//$morehtmlref.='<br>'.$langs->trans('Project') . ' ';
 		$morehtmlref .= $langs->trans('Project').': ';