diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index fd58b4263b85b3cd612731e734d731bab0a47697..3205206a11c0bd93165ee9223cd02f76f03a9e0e 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1400,7 +1400,7 @@ class Form
 							$objp->remise = $objp2->remise;
 							$objp->price_by_qty_rowid = $objp2->rowid;
 
-							$this->_construct_product_list_option($objp, $opt, $optJson, 0, $selected);
+							$this->constructProductListOption($objp, $opt, $optJson, 0, $selected);
 
 							$j++;
 
@@ -1414,7 +1414,7 @@ class Form
 				}
 				else
 				{
-					$this->_construct_product_list_option($objp, $opt, $optJson, $price_level, $selected);
+					$this->constructProductListOption($objp, $opt, $optJson, $price_level, $selected);
 					// Add new entry
 					// "key" value of json key array is used by jQuery automatically as selected value
 					// "label" value of json key array is used by jQuery automatically as text for combo box