diff --git a/htdocs/core/lib/payments.lib.php b/htdocs/core/lib/payments.lib.php
index 7aeffdba013..2a26cea6efd 100644
--- a/htdocs/core/lib/payments.lib.php
+++ b/htdocs/core/lib/payments.lib.php
@@ -60,7 +60,7 @@ function payment_prepare_head(Paiement $object) {
  * @param Paiement $object
  * @return array
  */
-function payment_supplier_prepare_head($object) {
+function payment_supplier_prepare_head(Paiement $object) {
 	
 	global $langs, $conf;