diff --git a/htdocs/public/paybox/newpayment.php b/htdocs/public/paybox/newpayment.php
index 0f568894e08..e8642b8d192 100644
--- a/htdocs/public/paybox/newpayment.php
+++ b/htdocs/public/paybox/newpayment.php
@@ -72,18 +72,18 @@ if ($_REQUEST["action"] == 'dopayment')
 	$EMAIL=$_REQUEST["EMAIL"];
 	$urlok='';
 	$urlko='';
-	$DOLSTRING=$_REQUEST["tag"];
+	$TAG=$_REQUEST["newtag"];
 	$ID=$_REQUEST["id"];
 
 	$mesg='';
-	if (empty($PRICE))     $mesg=$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("Amount"));
-	elseif (empty($EMAIL))     $mesg=$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("YourEMail"));
-	elseif (! ValidEMail($EMAIL))     $mesg=$langs->trans("ErrorBadEMail",$EMAIL);
-	elseif (empty($DOLSTRING)) $mesg=$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("PaymentCode"));
+	if (empty($PRICE))            $mesg=$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("Amount"));
+	elseif (empty($EMAIL))        $mesg=$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("YourEMail"));
+	elseif (! ValidEMail($EMAIL)) $mesg=$langs->trans("ErrorBadEMail",$EMAIL);
+	elseif (empty($TAG))          $mesg=$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("PaymentCode"));
 
 	if (empty($mesg))
 	{
-		print_paybox_redirect($PRICE, $conf->monnaie, $EMAIL, $urlok, $urlko, $DOLSTRING, $ID);
+		print_paybox_redirect($PRICE, $conf->monnaie, $EMAIL, $urlok, $urlko, $TAG, $ID);
 		exit;
 	}
 }