diff --git a/git/refs/symbolic.py b/git/refs/symbolic.py
@@ -168,6 +168,8 @@ def _get_ref_info_helper(
        """Return: (str(sha), str(target_ref_path)) if available, the sha the file at
        rela_path points to, or None. target_ref_path is the reference we
        point to, or None"""
        tokens: Union[None, List[str], Tuple[str, str]] = None
        repodir = _git_dir(repo, ref_path)
        try:

diff --git a/test/test_refs.py b/test/test_refs.py
@@ -5,6 +5,7 @@
# the BSD License: http://www.opensource.org/licenses/bsd-license.php

from itertools import chain

from git import (
    Reference,
@@ -20,9 +21,11 @@
from git.objects.tag import TagObject
from test.lib import TestBase, with_rw_repo
from git.util import Actor

import git.refs as refs
import os.path as osp


class TestRefs(TestBase):
@@ -616,3 +619,15 @@ def test_dereference_recursive(self):

    def test_reflog(self):
        assert isinstance(self.rorepo.heads.master.log(), RefLog)