diff --git a/tests/test_git.py b/tests/test_git.py
index 069d620..8d78e94 100644
--- a/tests/test_git.py
+++ b/tests/test_git.py
@@ -987,7 +987,7 @@ def test_clone_proxy_server(proxy_server: str, scm: Git, git: Git, tmp_dir: TmpD
 @pytest.mark.allow_hosts(["127.0.0.1", "::1"])
 def test_iter_remote_refs_proxy_server(proxy_server: str, scm: Git, tmp_dir: TmpDir):
     url = "https://github.com/iterative/dvcyaml-schema"
-    git = GitBackends.DEFAULT.get("dulwich")(".")
+    git = GitBackends.DEFAULT["dulwich"](".")
 
     p = Path(os.environ["HOME"]) / ".gitconfig"
     p.write_text(BAD_PROXY_CONFIG)