diff --git a/app/classes/Framadate/Services/MailService.php b/app/classes/Framadate/Services/MailService.php
index 1f87d6e..18807b2 100644
--- a/app/classes/Framadate/Services/MailService.php
+++ b/app/classes/Framadate/Services/MailService.php
@@ -20,7 +20,7 @@ class MailService {
         return filter_var($email, FILTER_VALIDATE_EMAIL);
     }
 
-    function send($to, $subject, $body, $param = '', $msgKey = null) {
+    function send($to, $subject, $body, $msgKey = null) {
         if ($this->smtp_allowed == true && $this->canSendMsg($msgKey)) {
             mb_internal_encoding('UTF-8');
 
@@ -54,7 +54,7 @@ class MailService {
 
             // Send mail
 
-            $this->sendMail($to, $subject, $body, $param, $msgKey, $headers);
+            $this->sendMail($to, $subject, $body, $msgKey, $headers);
         }
     }
 
@@ -69,8 +69,8 @@ class MailService {
         return !isset($_SESSION[self::MAILSERVICE_KEY][$msgKey]) || time() - $_SESSION[self::MAILSERVICE_KEY][$msgKey] > self::DELAY_BEFORE_RESEND;
     }
 
-    private function sendMail($to, $subject, $body, $param, $msgKey, $headers) {
-        mail($to, $subject, $body, $headers, $param);
+    private function sendMail($to, $subject, $body, $msgKey, $headers) {
+        mail($to, $subject, $body, $headers, '');
 
         // Log
 
diff --git a/find_polls.php b/find_polls.php
index 5e25a07..c4ced25 100644
--- a/find_polls.php
+++ b/find_polls.php
@@ -43,7 +43,7 @@ if (!empty($_POST['mail'])) {
             $smarty->assign('polls', $polls);
             $body = $smarty->fetch('mail/find_polls.tpl');
 
-            $mailService->send($mail, __('Homepage', 'Where are my polls'), $body, '', 'SEND_POLLS');
+            $mailService->send($mail, __('Homepage', 'Where are my polls'), $body, 'SEND_POLLS');
             $message = new Message('success', __('FindPolls', 'Polls sent'));
         } else {
             $message = new Message('warning', __('Error', 'No polls found'));
diff --git a/studs.php b/studs.php
index 26d7b23..0ebdd0f 100644
--- a/studs.php
+++ b/studs.php
@@ -83,7 +83,7 @@ function sendUpdateNotification($poll, $mailService, $name, $type) {
         $message .= Utils::getUrlSondage($poll->admin_id, true) . "\n\n";
 
         $messageTypeKey = $type . '-' . $poll->id;
-        $mailService->send($poll->admin_mail, $subject, $message, '', $messageTypeKey);
+        $mailService->send($poll->admin_mail, $subject, $message, $messageTypeKey);
     }
 }