diff --git a/htdocs/product/stock/replenish.php b/htdocs/product/stock/replenish.php
index e536c8c52f7..1e348d01dee 100644
--- a/htdocs/product/stock/replenish.php
+++ b/htdocs/product/stock/replenish.php
@@ -359,7 +359,7 @@ $sql .= $hookmanager->resPrint;
 
 $sql .= ' FROM '.MAIN_DB_PREFIX.'product as p';
 $sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'product_stock as s ON p.rowid = s.fk_product';
-$list_warehouse = empty($listofqualifiedwarehousesid) ? '0' :$listofqualifiedwarehousesid;
+$list_warehouse = (empty($listofqualifiedwarehousesid) ? '0' : $listofqualifiedwarehousesid);
 $sql .= ' AND s.fk_entrepot  IN ('.$db->sanitize($list_warehouse) .')';
 
 //$sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'entrepot AS ent ON s.fk_entrepot = ent.rowid AND ent.entity IN('.getEntity('stock').')';