diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index c15bbf602ca..c1d5d241340 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -256,14 +256,14 @@ class Categorie extends CommonObject
 	/**
 	 * @var array Mother of table
 	 */
-	public $motherof = array();	
-	
+	public $motherof = array();
+
 	/**
 	 * @var array Childs
 	 */
 	public $childs = array();
 
-	
+
 	/**
 	 *	Constructor
 	 *