diff --git a/htdocs/emailcollector/class/emailcollectoraction.class.php b/htdocs/emailcollector/class/emailcollectoraction.class.php
index 0d580342170..42e5e62a21d 100644
--- a/htdocs/emailcollector/class/emailcollectoraction.class.php
+++ b/htdocs/emailcollector/class/emailcollectoraction.class.php
@@ -100,7 +100,7 @@ class EmailCollectorAction extends CommonObject
     public $actionparam;
 
     /**
-     * @var int		Date of creation
+     * @var integer|string date_creation
      */
     public $date_creation;