diff --git a/htdocs/accountancy/admin/card.php b/htdocs/accountancy/admin/card.php
index 4d69eae7db8..9430bf33439 100644
--- a/htdocs/accountancy/admin/card.php
+++ b/htdocs/accountancy/admin/card.php
@@ -48,7 +48,7 @@ $label = GETPOST('label', 'alpha');
 if ($user->socid > 0) {
 	accessforbidden();
 }
-if (!$user->rights->accounting->chartofaccount) {
+if (empty($user->rights->accounting->chartofaccount)) {
 	accessforbidden();
 }