diff --git a/htdocs/compta/tva/class/paymentvat.class.php b/htdocs/compta/tva/class/paymentvat.class.php
index 35178dbc0ee..49df8bccb12 100644
--- a/htdocs/compta/tva/class/paymentvat.class.php
+++ b/htdocs/compta/tva/class/paymentvat.class.php
@@ -480,7 +480,7 @@ class PaymentVAT extends CommonObject
 	{
 		$this->id = 0;
 
-		$this->fk_tva = '';
+		$this->fk_tva = 0;
 		$this->datec = '';
 		$this->tms = '';
 		$this->datep = '';
@@ -489,9 +489,9 @@ class PaymentVAT extends CommonObject
 		$this->num_payment = '';
 		$this->note_private = '';
 		$this->note_public = '';
-		$this->fk_bank = '';
-		$this->fk_user_creat = '';
-		$this->fk_user_modif = '';
+		$this->fk_bank = 0;
+		$this->fk_user_creat = 0;
+		$this->fk_user_modif = 0;
 	}