diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index 6e8f259bc01..91d1b333e56 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -644,7 +644,7 @@ if (empty($reshook))
 		$ret = $extrafields->setOptionalsFromPost(null, $object);
 		if ($ret < 0) $error++;
 
-		$datefacture = dol_mktime(12, 0, 0, $_POST['remonth'], $_POST['reday'], $_POST['reyear']);
+		$datefacture = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 		$datedue = dol_mktime(12, 0, 0, $_POST['echmonth'], $_POST['echday'], $_POST['echyear']);
 
 		// Replacement invoice
@@ -1758,7 +1758,7 @@ if ($action == 'create')
 			if (!empty($conf->global->MULTICURRENCY_USE_ORIGIN_TX) && !empty($objectsrc->multicurrency_tx))	$currency_tx = $objectsrc->multicurrency_tx;
 		}
 
-		$datetmp = dol_mktime(12, 0, 0, $_POST['remonth'], $_POST['reday'], $_POST['reyear']);
+		$datetmp = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 		$dateinvoice = ($datetmp == '' ? (empty($conf->global->MAIN_AUTOFILL_DATE) ?-1 : '') : $datetmp);
 		$datetmp = dol_mktime(12, 0, 0, $_POST['echmonth'], $_POST['echday'], $_POST['echyear']);
 		$datedue = ($datetmp == '' ?-1 : $datetmp);
@@ -1772,7 +1772,7 @@ if ($action == 'create')
 		$cond_reglement_id 	= $societe->cond_reglement_supplier_id;
 		$mode_reglement_id 	= $societe->mode_reglement_supplier_id;
 		$fk_account         = $societe->fk_account;
-		$datetmp = dol_mktime(12, 0, 0, $_POST['remonth'], $_POST['reday'], $_POST['reyear']);
+		$datetmp = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 		$dateinvoice = ($datetmp == '' ? (empty($conf->global->MAIN_AUTOFILL_DATE) ?-1 : '') : $datetmp);
 		$datetmp = dol_mktime(12, 0, 0, $_POST['echmonth'], $_POST['echday'], $_POST['echyear']);
 		$datedue = ($datetmp == '' ?-1 : $datetmp);