diff --git a/git_common.py b/git_common.py
index 182fc0c16..955008567 100644
--- a/git_common.py
+++ b/git_common.py
@@ -1083,6 +1083,7 @@ def make_workdir(repository, new_workdir):
     'refs',
     'remotes',
     'rr-cache',
+    'shallow',
   ]
   make_workdir_common(repository, new_workdir, GIT_DIRECTORY_WHITELIST,
                       ['HEAD'])