diff --git a/lib/private/AppConfig.php b/lib/private/AppConfig.php
index 79c650705b23d..f92abb2caad1c 100644
--- a/lib/private/AppConfig.php
+++ b/lib/private/AppConfig.php
@@ -109,6 +109,9 @@ class AppConfig implements IAppConfig {
 		'notify_push' => [
 			'/^cookie$/',
 		],
+		'serverinfo' => [
+			'/^token$/',
+		],
 		'spreed' => [
 			'/^bridge_bot_password$/',
 			'/^hosted-signaling-server-(.*)$/',
diff --git a/lib/private/SystemConfig.php b/lib/private/SystemConfig.php
index c104f00180916..bba74e9649058 100644
--- a/lib/private/SystemConfig.php
+++ b/lib/private/SystemConfig.php
@@ -55,6 +55,7 @@ class SystemConfig {
 		'secret' => true,
 		'updater.secret' => true,
 		'trusted_proxies' => true,
+		'preview_imaginary_url' => true,
 		'proxyuserpwd' => true,
 		'sentry.dsn' => true,
 		'sentry.public-dsn' => true,