diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2c5e41ce75a..634071791e3 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -2581,7 +2581,7 @@ class Form
         $sql.= " FROM ".MAIN_DB_PREFIX."product as p";
         $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."product_fournisseur_price as pfp ON p.rowid = pfp.fk_product";
         $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."societe as s ON pfp.fk_soc = s.rowid";
-        $sql.= " WHERE p.entity IN (".getEntity('productprice').")";
+        $sql.= " WHERE pfp.entity IN (".getEntity('productprice').")";
         $sql.= " AND p.tobuy = 1";
         $sql.= " AND s.fournisseur = 1";
         $sql.= " AND p.rowid = ".$productid;