diff --git a/htdocs/core/modules/expensereport/modules_expensereport.php b/htdocs/core/modules/expensereport/modules_expensereport.php
index e0adf1fb47e..54108230e54 100644
--- a/htdocs/core/modules/expensereport/modules_expensereport.php
+++ b/htdocs/core/modules/expensereport/modules_expensereport.php
@@ -126,7 +126,7 @@ abstract class ModeleNumRefExpenseReport
 	 *	@param	Object		$object		Object we need next value for
 	 *	@return	string      Valeur
 	 */
-	function getNextValue($objsoc,$object)
+	function getNextValue($object)
 	{
 		global $langs;
 		return $langs->trans("NotAvailable");