diff --git a/lib/private/Files/Filesystem.php b/lib/private/Files/Filesystem.php
index ac0e66973d41d8b8a502dc2fd1e6d1e8cc9af54f..738fc887e41c75d2c9ddebe9b16221ea4d260cb8 100644
--- a/lib/private/Files/Filesystem.php
+++ b/lib/private/Files/Filesystem.php
@@ -448,11 +448,11 @@ class Filesystem {
 
 			self::listenForNewMountProviders($mountConfigManager, $userManager);
 		} else {
-			self::$mounts->addMount(new MountPoint(
+			self::getMountManager()->addMount(new MountPoint(
 				new NullStorage([]),
 				'/' . $user
 			));
-			self::$mounts->addMount(new MountPoint(
+			self::getMountManager()->addMount(new MountPoint(
 				new NullStorage([]),
 				'/' . $user . '/files'
 			));