diff --git a/htdocs/core/lib/security.lib.php b/htdocs/core/lib/security.lib.php
index 852a87baa0b..475649701ae 100644
--- a/htdocs/core/lib/security.lib.php
+++ b/htdocs/core/lib/security.lib.php
@@ -489,12 +489,12 @@ function restrictedArea($user, $features, $objectid = 0, $tableandshare = '', $f
 				if (!$user->rights->fournisseur->commande->supprimer) {
 					$deleteok = 0;
 				}
-			} elseif ($feature == 'payment_supplier') {
+			} elseif ($feature == 'payment_supplier') {	// Permission to delete a payment of an invoice is permission to edit an invoice.
 				if (!$user->rights->fournisseur->facture->creer) {
 					$deleteok = 0;
 				}
-			} elseif ($feature == 'payment') {
-				if (!$user->rights->facture->supprimer) {
+			} elseif ($feature == 'payment') {	// Permission to delete a payment of an invoice is permission to edit an invoice.
+				if (!$user->rights->facture->creer) {
 						$deleteok = 0;
 				}
 			} elseif ($feature == 'banque') {