diff --git a/lib/files/filesystem.php b/lib/files/filesystem.php
index cee3cd883b392b09a12f63ac2bd9612a8c6b1875..9e8ce3ec1848c5b88da48db64fd7acea9c263a3e 100644
--- a/lib/files/filesystem.php
+++ b/lib/files/filesystem.php
@@ -281,7 +281,7 @@ class Filesystem {
 			}
 		}
 		// Load personal mount points
-		$root = OC_User::getHome($user);
+		$root = \OC_User::getHome($user);
 		if (is_file($root.'/mount.php')) {
 			$mountConfig = include $root.'/mount.php';
 			if (isset($mountConfig['user'][$user])) {