diff --git a/htdocs/compta/paiement/card.php b/htdocs/compta/paiement/card.php
index bc62064dc82..a90a52c4e20 100644
--- a/htdocs/compta/paiement/card.php
+++ b/htdocs/compta/paiement/card.php
@@ -443,11 +443,13 @@ if ($resql)
 			print '<td class="right">'.$invoice->getLibStatut(5, $alreadypayed).'</td>';
 
 			print "</tr>\n";
-			if ($objp->paye == 1)	// If at least one invoice is paid, disable delete
-			{
+
+			// If at least one invoice is paid, disable delete. INVOICE_CAN_DELETE_PAYMENT_EVEN_IF_INVOICE_CLOSED Can be use for maintenance purpose. Never use this in production
+			if ($objp->paye == 1 && empty($conf->global->INVOICE_CAN_DELETE_PAYMENT_EVEN_IF_INVOICE_CLOSED)) {
 				$disable_delete = 1;
 				$title_button = dol_escape_htmltag($langs->transnoentitiesnoconv("CantRemovePaymentWithOneInvoicePaid"));
 			}
+
 			$total = $total + $objp->amount;
 			$i++;
 		}