diff --git a/fs/torrentfs.go b/fs/torrentfs.go
index aaaf1569..abe06512 100644
--- a/fs/torrentfs.go
+++ b/fs/torrentfs.go
@@ -67,7 +67,7 @@ type fileNode struct {
 	TorrentOffset int64
 }
 
-func (fn fileNode) Attr() (attr fuse.Attr) {
+func (fn fileNode) Attr(attr *fuse.Attr) {
 	attr.Size = fn.size
 	attr.Mode = defaultMode
 	return
@@ -232,7 +232,7 @@ func (dn dirNode) Lookup(ctx context.Context, name string) (_node fusefs.Node, e
 	return
 }
 
-func (dn dirNode) Attr() (attr fuse.Attr) {
+func (dn dirNode) Attr(attr *fuse.Attr) {
 	attr.Mode = os.ModeDir | defaultMode
 	return
 }
@@ -279,10 +279,8 @@ func (me rootNode) ReadDir(ctx context.Context) (dirents []fuse.Dirent, err erro
 	return
 }
 
-func (rootNode) Attr() fuse.Attr {
-	return fuse.Attr{
-		Mode: os.ModeDir,
-	}
+func (rootNode) Attr(attr *fuse.Attr) {
+	attr.Mode = os.ModeDir
 }
 
 // TODO(anacrolix): Why should rootNode implement this?
diff --git a/fs/torrentfs_test.go b/fs/torrentfs_test.go
index 7640dbb7..b5b7c637 100644
--- a/fs/torrentfs_test.go
+++ b/fs/torrentfs_test.go
@@ -230,12 +230,14 @@ func TestDownloadOnDemand(t *testing.T) {
 	defer fs.Destroy()
 	root, _ := fs.Root()
 	node, _ := root.(fusefs.NodeStringLookuper).Lookup(context.Background(), "greeting")
-	size := int(node.Attr().Size)
+	var attr fuse.Attr
+	node.Attr(&attr)
+	size := attr.Size
 	resp := &fuse.ReadResponse{
 		Data: make([]byte, size),
 	}
 	node.(fusefs.HandleReader).Read(context.Background(), &fuse.ReadRequest{
-		Size: size,
+		Size: int(size),
 	}, resp)
 	content := resp.Data
 	if string(content) != testutil.GreetingFileContents {