diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 0723255b101..3bad1dfee22 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -75,6 +75,11 @@ class Facture extends CommonInvoice
 	 */
 	public $table_element_line = 'facturedet';
 
+	/**
+	 * @var string Name of class line
+	 */
+	public $class_element_line = 'FactureLigne';
+	
 	/**
 	 * @var string Fieldname with ID of parent key if this field has a parent
 	 */