diff --git a/fuse/main.go b/fuse/main.go
index b1b240a..8a5f219 100644
--- a/fuse/main.go
+++ b/fuse/main.go
@@ -241,6 +241,10 @@ func (fh *bytesFileWriteHandle) Flush(ctx context.Context) (errno syscall.Errno)
 
 	return 0
 }
+var _ = (fs.FileFsyncer)((*bytesFileWriteHandle)(nil))
+func (fh *bytesFileWriteHandle) Fsync(ctx context.Context, flags uint32) (errno syscall.Errno) {
+	return fh.Flush(ctx)
+}
 
 var _ = (fs.NodeGetattrer)((*ITNode)(nil))
 func (bn *ITNode) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {