diff --git a/tests/test_main.py b/tests/test_main.py
index dfff719ac..8aa7ebd91 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -34,6 +34,9 @@ class TestMain(TestCase):
         self.assertTrue(os.path.exists("foo.txt"))
 
     def test_main_with_empty_git_dir_new_file(self):
+        tempdir = tempfile.mkdtemp()
+        os.chdir(tempdir)
+
         subprocess.run(["git", "init"])
         subprocess.run(["git", "config", "user.email", "dummy@example.com"])
         subprocess.run(["git", "config", "user.name", "Dummy User"])