diff --git a/app/Http/Controllers/Auth/VerifyEmailController.php b/app/Http/Controllers/Auth/VerifyEmailController.php
index <HASH>..<HASH> 100644
--- a/app/Http/Controllers/Auth/VerifyEmailController.php
+++ b/app/Http/Controllers/Auth/VerifyEmailController.php
@@ -76,7 +76,7 @@ class VerifyEmailController extends AbstractBaseController
                 $base_url = $request->getAttribute('base_url');
 
                 /* I18N: %s is a server name/URL */
-                $subject = I18N::translate('New user at %s', $base_url . ' ' . $tree->title());
+                $subject = I18N::translate('New user at %s', $base_url);
 
                 $this->mail_service->send(
                     new SiteUser(),
Error when verifying email and no tree exists