diff --git a/weed/command/mount_std.go b/weed/command/mount_std.go
index 4d8fe2ddc..d1b3f5e9c 100644
--- a/weed/command/mount_std.go
+++ b/weed/command/mount_std.go
@@ -41,7 +41,7 @@ func runMount(cmd *Command, args []string) bool {
 		fuse.DefaultPermissions(),
 		fuse.MaxReadahead(1024*128), // TODO: not tested yet, possibly improving read performance
 		fuse.AsyncRead(),
-		// fuse.WritebackCache(),
+		fuse.WritebackCache(),
 	)
 	if err != nil {
 		glog.Fatal(err)