diff --git a/htdocs/compta/tva/quadri_detail.php b/htdocs/compta/tva/quadri_detail.php
index 4b44959bc1a..68dcaa55fb6 100644
--- a/htdocs/compta/tva/quadri_detail.php
+++ b/htdocs/compta/tva/quadri_detail.php
@@ -47,7 +47,7 @@ $langs->loadLangs(array("other", "compta", "banks", "bills", "companies", "produ
 
 $refresh = (GETPOSTISSET('submit') || GETPOSTISSET('vat_rate_show') || GETPOSTISSET('invoice_type')) ? true : false;
 $invoice_type = GETPOSTISSET('invoice_type') ? GETPOST('invoice_type', 'alpha') : '';
-$vat_rate_show = GETPOSTISSET('vat_rate_show') ? GETPOST('vat_rate_show', 'int') : -1;
+$vat_rate_show = GETPOSTISSET('vat_rate_show') ? GETPOST('vat_rate_show', 'alphanohtml') : -1;
 
 include DOL_DOCUMENT_ROOT.'/compta/tva/initdatesforvat.inc.php';