diff --git a/git/objects/commit.py b/git/objects/commit.py
@@ -377,15 +377,25 @@ def stats(self) -> Stats:
        :return:
            :class:`Stats`
        """
-        if not self.parents:
-            text = self.repo.git.diff_tree(self.hexsha, "--", numstat=True, no_renames=True, root=True)
-            text2 = ""
-            for line in text.splitlines()[1:]:
                (insertions, deletions, filename) = line.split("\t")
-                text2 += "%s\t%s\t%s\n" % (insertions, deletions, filename)
-            text = text2
        else:
-            text = self.repo.git.diff(self.parents[0].hexsha, self.hexsha, "--", numstat=True, no_renames=True)
        return Stats._list_from_string(self.repo, text)

    @property

diff --git a/git/types.py b/git/types.py
@@ -248,6 +248,7 @@ class Files_TD(TypedDict):
    insertions: int
    deletions: int
    lines: int


class Total_TD(TypedDict):

diff --git a/git/util.py b/git/util.py
@@ -910,6 +910,7 @@ class Stats:
      deletions = number of deleted lines as int
      insertions = number of inserted lines as int
      lines = total number of lines changed as int, or deletions + insertions

    ``full-stat-dict``

@@ -938,7 +939,7 @@ def _list_from_string(cls, repo: "Repo", text: str) -> "Stats":
            "files": {},
        }
        for line in text.splitlines():
-            (raw_insertions, raw_deletions, filename) = line.split("\t")
            insertions = raw_insertions != "-" and int(raw_insertions) or 0
            deletions = raw_deletions != "-" and int(raw_deletions) or 0
            hsh["total"]["insertions"] += insertions
@@ -949,6 +950,7 @@ def _list_from_string(cls, repo: "Repo", text: str) -> "Stats":
                "insertions": insertions,
                "deletions": deletions,
                "lines": insertions + deletions,
            }
            hsh["files"][filename.strip()] = files_dict
        return Stats(hsh["total"], hsh["files"])

diff --git a/test/fixtures/diff_numstat b/test/fixtures/diff_numstat
@@ -1,2 +1,3 @@
-29	18	a.txt
-0	5	b.txt
diff --git a/test/test_commit.py b/test/test_commit.py
@@ -135,9 +135,12 @@ def test_stats(self):
        commit = self.rorepo.commit("33ebe7acec14b25c5f84f35a664803fcab2f7781")
        stats = commit.stats

-        def check_entries(d):
            assert isinstance(d, dict)
-            for key in ("insertions", "deletions", "lines"):
                assert key in d

        # END assertion helper
@@ -148,7 +151,7 @@ def check_entries(d):
        assert "files" in stats.total

        for _filepath, d in stats.files.items():
-            check_entries(d)
        # END for each stated file

        # Check that data is parsed properly.

diff --git a/test/test_stats.py b/test/test_stats.py
@@ -14,13 +14,19 @@ def test_list_from_string(self):
        output = fixture("diff_numstat").decode(defenc)
        stats = Stats._list_from_string(self.rorepo, output)

-        self.assertEqual(2, stats.total["files"])
-        self.assertEqual(52, stats.total["lines"])
-        self.assertEqual(29, stats.total["insertions"])
        self.assertEqual(23, stats.total["deletions"])

        self.assertEqual(29, stats.files["a.txt"]["insertions"])
        self.assertEqual(18, stats.files["a.txt"]["deletions"])

        self.assertEqual(0, stats.files["b.txt"]["insertions"])
        self.assertEqual(5, stats.files["b.txt"]["deletions"])