diff --git a/rule/ftpsyncfiles/rule_form.php b/rule/ftpsyncfiles/rule_form.php
index fed0d157..9072921e 100644
--- a/rule/ftpsyncfiles/rule_form.php
+++ b/rule/ftpsyncfiles/rule_form.php
@@ -39,7 +39,7 @@ public function rule_definition() {
         $mform->addElement('text', 'param3', get_string('sftpport', 'datalynxrule_ftpsyncfiles'));
         $mform->setType('param3', PARAM_INT);
         $mform->addElement('text', 'param4', get_string('sftpusername', 'datalynxrule_ftpsyncfiles'));
-        $mform->setType('param4', PARAM_ALPHAEXT);
+        $mform->setType('param4', PARAM_TEXT);
         $mform->addElement('text', 'param5', get_string('sftppassword', 'datalynxrule_ftpsyncfiles'));
         $mform->setType('param5', PARAM_TEXT);
         $mform->addElement('text', 'param6', get_string('sftppath', 'datalynxrule_ftpsyncfiles'));