diff --git a/htdocs/product/stock/mouvement.php b/htdocs/product/stock/mouvement.php
index 4b879e2dd59..330fae32f3d 100644
--- a/htdocs/product/stock/mouvement.php
+++ b/htdocs/product/stock/mouvement.php
@@ -42,7 +42,7 @@ $id=GETPOST('id','int');
 $product_id=GETPOST("product_id");
 $action=GETPOST('action');
 $cancel=GETPOST('cancel');
-$idproduct = isset($_GET["idproduct"])?$_GET["idproduct"]:$_PRODUCT["idproduct"];
+$idproduct = GETPOST('idproduct','int');
 $year = isset($_GET["year"])?$_GET["year"]:$_POST["year"];
 $month = isset($_GET["month"])?$_GET["month"]:$_POST["month"];
 $search_movement = isset($_REQUEST["search_movement"])?$_REQUEST["search_movement"]:'';