diff --git a/pym/update/update.py b/pym/update/update.py
index be0d4ed..49d2593 100644
--- a/pym/update/update.py
+++ b/pym/update/update.py
@@ -175,6 +175,7 @@ class Update(MethodsInterface):
                     ref_type = git.reference_type(rpath, revision)
                     if git.isNeedUnpack(rpath):
                         need_update = True
+                        clean = True
                     elif tag_cr != cr or ref_type == Git.Reference.Branch:
                         need_update = True
                     elif clean: