diff --git a/htdocs/contrat/document.php b/htdocs/contrat/document.php
index ce386fe21b9..7f38e9561a4 100644
--- a/htdocs/contrat/document.php
+++ b/htdocs/contrat/document.php
@@ -33,7 +33,7 @@ require_once DOL_DOCUMENT_ROOT.'/contrat/class/contrat.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';
 }
 
@@ -144,7 +144,7 @@ if ($object->id) {
 		$morehtmlref .= ' (<a href="'.DOL_URL_ROOT.'/contrat/list.php?socid='.$object->thirdparty->id.'&search_name='.urlencode($object->thirdparty->name).'">'.$langs->trans("OtherContracts").'</a>)';
 	}
 	// Project
-	if (!empty($conf->project->enabled)) {
+	if (isModEnabled('project')) {
 		$langs->load("projects");
 		$morehtmlref .= '<br>'.$langs->trans('Project').' ';
 		if ($user->rights->contrat->creer) {