diff --git a/weed/filesys/wfs.go b/weed/filesys/wfs.go
index 2a8ecd235..6c91246c1 100644
--- a/weed/filesys/wfs.go
+++ b/weed/filesys/wfs.go
@@ -302,6 +302,7 @@ func (wfs *WFS) getCurrentFiler() pb.ServerAddress {
 func (option *Option) setupUniqueCacheDirectory() {
 	cacheUniqueId := util.Md5String([]byte(option.MountDirectory + string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8]
 	option.uniqueCacheDir = path.Join(option.CacheDir, cacheUniqueId)
+	os.MkdirAll(option.uniqueCacheDir, os.FileMode(0777)&^option.Umask)
 }
 
 func (option *Option) getUniqueCacheDir() string {
diff --git a/weed/mount/weedfs.go b/weed/mount/weedfs.go
index 11958c39e..47cb5ad98 100644
--- a/weed/mount/weedfs.go
+++ b/weed/mount/weedfs.go
@@ -176,6 +176,7 @@ func (wfs *WFS) getCurrentFiler() pb.ServerAddress {
 func (option *Option) setupUniqueCacheDirectory() {
 	cacheUniqueId := util.Md5String([]byte(option.MountDirectory + string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8]
 	option.uniqueCacheDir = path.Join(option.CacheDir, cacheUniqueId)
+	os.MkdirAll(option.uniqueCacheDir, os.FileMode(0777)&^option.Umask)
 }
 
 func (option *Option) getUniqueCacheDir() string {