diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index f9f596ad8c0..b78707b786a 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -3383,7 +3383,7 @@ class Form
 					$opt .= ' disabled';
 				}
 				if (!empty($objp->idprodfournprice) && $objp->idprodfournprice > 0) {
-					$opt .= ' data-qty="'.$objp->quantity.'" data-up="'.$objp->unitprice.'" data-discount="'.$outdiscount.'"';
+					$opt .= ' data-product-id="'.$objp->rowid.'" data-price-id="'.$objp->idprodfournprice.'" data-qty="'.$objp->quantity.'" data-up="'.$objp->unitprice.'" data-discount="'.$outdiscount.'"';
 				}
 				$opt .= ' data-description="'.dol_escape_htmltag($objp->description, 0, 1).'"';
 				$opt .= ' data-html="'.dol_escape_htmltag($optlabel).'"';