diff --git a/classes/gateway.php b/classes/gateway.php
index 4af855f..b8d3d0e 100644
--- a/classes/gateway.php
+++ b/classes/gateway.php
@@ -85,7 +85,7 @@ public static function add_configuration_to_gateway_form(\core_payment\form\acco
             get_string('skipmode', 'paygw_payanyway'),
             get_string('skipmode', 'paygw_payanyway')
         );
-        $mform->setType('skipmode', PARAM_TEXT);
+        $mform->setType('skipmode', PARAM_INT);
         $mform->addHelpButton('skipmode', 'skipmode', 'paygw_payanyway');
 
         $mform->addElement(
@@ -94,7 +94,7 @@ public static function add_configuration_to_gateway_form(\core_payment\form\acco
             get_string('passwordmode', 'paygw_payanyway'),
             get_string('passwordmode', 'paygw_payanyway')
         );
-        $mform->setType('passwordmode', PARAM_TEXT);
+        $mform->setType('passwordmode', PARAM_INT);
         $mform->disabledIf('passwordmode', 'skipmode', "neq", 0);
 
         $mform->addElement('text', 'password', get_string('password', 'paygw_payanyway'));