diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 275614c37a0..e091cba2db1 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1548,6 +1548,8 @@ function dol_get_object_properties($obj, $properties = [])
  *  With native = 1: Use PHP clone. Property that are reference are same pointer. This means $this->db of new object is still valid but point to same this->db than original object.
  *  With native = 2: Property that are reference are different memory area in the new object (full isolation clone). Only scalar and array values are cloned. This means method are not availables and $this->db of new object is not valid.
  *
+ *  @template T
+ *
  * 	@param	T		          $object		Object to clone
  *  @param	int		          $native		0=Full isolation method, 1=Native PHP method, 2=Full isolation method keeping only scalar and array properties (recommended)
  *	@return T                				Clone object