diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 15200582ced..e0c63ca0a8f 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -3889,7 +3889,7 @@ elseif ($id > 0 || !empty($ref))
 	}
 
 	// Call Hook formConfirm
-	$parameters = array('formConfirm' => $formconfirm, 'lineid' => $lineid);
+	$parameters = array('formConfirm' => $formconfirm, 'lineid' => $lineid, 'remainingtopay' => &$resteapayer);
 	$reshook = $hookmanager->executeHooks('formConfirm', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 	if (empty($reshook)) $formconfirm .= $hookmanager->resPrint;
 	elseif ($reshook > 0) $formconfirm = $hookmanager->resPrint;