diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 843fa305600..1f4dc08cdcb 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -47,10 +47,10 @@ require_once DOL_DOCUMENT_ROOT.'/societe/class/client.class.php';
 require_once DOL_DOCUMENT_ROOT.'/margin/lib/margins.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/multicurrency/class/multicurrency.class.php';
 
-if (!empty($conf->accounting->enabled)) {
+if (isModEnabled('accounting')) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/html.formaccounting.class.php';
 }
-if (!empty($conf->accounting->enabled)) {
+if (isModEnabled('accounting')) {
 	require_once DOL_DOCUMENT_ROOT.'/accountancy/class/accountingaccount.class.php';
 }