diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index d68a320482e..71cce2859f6 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -5315,7 +5315,7 @@ class Product extends CommonObject
 	 * @param  string   $origin_element Origin element type
 	 * @param  int      $origin_id      Origin id of element
 	 * @param  int	    $disablestockchangeforsubproduct	Disable stock change for sub-products of kit (usefull only if product is a subproduct)
-	 * @param  array    $extrafields	Array of extrafields
+	 * @param  Extrafields $extrafields	Array of extrafields
 	 * @return int                      <0 if KO, >0 if OK
 	 */
 	public function correct_stock_batch($user, $id_entrepot, $nbpiece, $movement, $label = '', $price = 0, $dlc = '', $dluo = '', $lot = '', $inventorycode = '', $origin_element = '', $origin_id = null, $disablestockchangeforsubproduct = 0, $extrafields = null)