diff --git a/apps/settings/lib/Hooks.php b/apps/settings/lib/Hooks.php
index 8a68aed106ed4..3dafe36ce663d 100644
--- a/apps/settings/lib/Hooks.php
+++ b/apps/settings/lib/Hooks.php
@@ -159,7 +159,7 @@ public function onChangeEmail(IUser $user, $oldMailAddress) {
 				'instanceUrl' => $instanceUrl,
 			]);
 
-			$template->setSubject($l->t('Email address for %1$s changed on %2$s', [$user->getDisplayName(), $instanceUrl]));
+			$template->setSubject($l->t('Email address for %1$s changed on %2$s', [$user->getDisplayName(), $instanceName]));
 			$template->addHeader();
 			$template->addHeading($l->t('Email address changed for %s', [$user->getDisplayName()]), false);
 			$template->addBodyText($text . ' ' . $l->t('If you did not request this, please contact an administrator.'));