diff --git a/includes/functions.php b/includes/functions.php
index 8f06073c149f..ca65155cecf5 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -934,6 +934,9 @@ function send_mail($emails, $subject, $message, $html = false)
         $mail->Hostname = php_uname('n');
 
         foreach (parse_email($config['email_from']) as $from => $from_name) {
+            if (empty($from_name)) {
+                $from_name = Config::get('email_user');
+            }
             $mail->setFrom($from, $from_name);
         }
         foreach ($emails as $email => $email_name) {