diff --git a/src/mounts.js b/src/mounts.js
index 081270d57..c0f717925 100644
--- a/src/mounts.js
+++ b/src/mounts.js
@@ -8,7 +8,7 @@ exports = module.exports = {
     getStatus,
     remount,
 
-    MOUNT_TYPE_FILESYSTEM: exports.MOUNT_TYPE_FILESYSTEM,
+    MOUNT_TYPE_FILESYSTEM: 'filesystem',
     MOUNT_TYPE_MOUNTPOINT: 'mountpoint',
     MOUNT_TYPE_CIFS: 'cifs',
     MOUNT_TYPE_NFS: 'nfs',