diff --git a/htdocs/compta/sociales/class/chargesociales.class.php b/htdocs/compta/sociales/class/chargesociales.class.php
index c12fe65e989..980538e34aa 100644
--- a/htdocs/compta/sociales/class/chargesociales.class.php
+++ b/htdocs/compta/sociales/class/chargesociales.class.php
@@ -63,8 +63,7 @@ class ChargeSociales extends CommonObject
     public $periode;
 
     /**
-     * Creation date
-     * @var int
+     * @var integer|string date_creation
      */
     public $date_creation;