diff --git a/cmd/yoda2root/main.go b/cmd/yoda2root/main.go
index ac774a676..324e35e0a 100644
--- a/cmd/yoda2root/main.go
+++ b/cmd/yoda2root/main.go
@@ -122,7 +122,7 @@ func convert(w *riofs.File, fname string) error {
 		default:
 			key = v.Name()
 		}
-		err = w.Put(key, obj)
+		err = riofs.Dir(w).Put(key, obj)
 		if err != nil {
 			return fmt.Errorf("error writing %q from YODA file [%s]: %w", v.Name(), fname, err)
 		}