diff --git a/htdocs/fourn/commande/document.php b/htdocs/fourn/commande/document.php
index 5a017296887..957fa32867f 100644
--- a/htdocs/fourn/commande/document.php
+++ b/htdocs/fourn/commande/document.php
@@ -34,7 +34,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
-if (!empty($conf->project->enabled)) {
+if (isModEnabled('project')) {
 	require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 }
 
@@ -131,7 +131,7 @@ 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').' ';
 		if ($user->rights->fournisseur->commande->creer || $user->rights->supplier_order->creer) {