diff --git a/tests/integration/test_install_uri.py b/tests/integration/test_install_uri.py
index 81518a9e..40816694 100644
--- a/tests/integration/test_install_uri.py
+++ b/tests/integration/test_install_uri.py
@@ -60,6 +60,10 @@ def test_file_urls_work(pipenv_instance_pypi, pip_src_dir):
         assert c.returncode == 0
         assert "six" in p.pipfile["packages"]
         assert "file" in p.pipfile["packages"]["six"]
+        assert 'six' in p.lockfile["default"]
+        assert 'file' in p.lockfile["default"]["six"]
+        assert "six-1.11.0-py2.py3-none-any.whl" in p.lockfile["default"]["six"]["file"]
+
 
 
 @pytest.mark.e