diff --git a/lib/private/Mail/Mailer.php b/lib/private/Mail/Mailer.php
index d103e1380c5..8f442365585 100644
--- a/lib/private/Mail/Mailer.php
+++ b/lib/private/Mail/Mailer.php
@@ -164,7 +164,7 @@ class Mailer implements IMailer {
 		$debugMode = $this->config->getSystemValue('mail_smtpdebug', false);
 
 		if (empty($message->getFrom())) {
-			$message->setFrom([\OCP\Util::getDefaultEmailAddress($this->defaults->getName()) => $this->defaults->getName()]);
+			$message->setFrom([\OCP\Util::getDefaultEmailAddress('no-reply') => $this->defaults->getName()]);
 		}
 
 		$failedRecipients = [];