diff --git a/htdocs/compta/tva/class/paymentvat.class.php b/htdocs/compta/tva/class/paymentvat.class.php
index f6cee6a5784..77893f543b0 100644
--- a/htdocs/compta/tva/class/paymentvat.class.php
+++ b/htdocs/compta/tva/class/paymentvat.class.php
@@ -54,8 +54,14 @@ class PaymentVAT extends CommonObject
 	 */
 	public $fk_tva;
 
+	/**
+	 * @var int|''
+	 */
 	public $datec = '';
 
+	/**
+	 * @var int|''
+	 */
 	public $datep = '';
 
 	/**