diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 0f8dd4f0c00..e395f3d4455 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -7801,7 +7801,7 @@ abstract class CommonObject
      * @param  string	$type	Type of category ('product', ...)
      * @return int      < 0 si erreur, > 0 si ok
      */
-	public function cloneCategories($fromId, $toId, $type='')
+	public function cloneCategories($fromId, $toId, $type = '')
 	{
 		$this->db->begin();