diff --git a/htdocs/fourn/facture/paiement.php b/htdocs/fourn/facture/paiement.php
index d1780c1f6e8..22470bd4c81 100644
--- a/htdocs/fourn/facture/paiement.php
+++ b/htdocs/fourn/facture/paiement.php
@@ -247,20 +247,20 @@ if (empty($reshook))
 	{
 	    $error=0;
 
-	    $datepaye = dol_mktime(12, 0, 0, GETPOST('remonth'), GETPOST('reday'), GETPOST('reyear'));
+	    $datepaye = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 
         // Clean parameters amount if payment is for a credit note
-        if (GETPOST('type') == FactureFournisseur::TYPE_CREDIT_NOTE)
+        if (GETPOST('type', 'int') == FactureFournisseur::TYPE_CREDIT_NOTE)
         {
             foreach ($amounts as $key => $value)	// How payment is dispatch
             {
-                $newvalue = price2num($value,'MT');
+                $newvalue = price2num($value, 'MT');
                 $amounts[$key] = -$newvalue;
             }
 
             foreach ($multicurrency_amounts as $key => $value)	// How payment is dispatch
             {
-                $newvalue = price2num($value,'MT');
+                $newvalue = price2num($value, 'MT');
                 $multicurrency_amounts[$key] = -$newvalue;
             }
         }