diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index cb7691f2481..8675b3126db 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -40,6 +40,9 @@ class Categorie
 {
 	var $error;
 	var $db;
+	
+	var $element='category';
+	var $table_element='category';
 
 	var $id;
 	var $id_mere;