diff --git a/tests/unit_tests/test_registrar_util.py b/tests/unit_tests/test_registrar_util.py
index dee3fd30..4813acfc 100644
--- a/tests/unit_tests/test_registrar_util.py
+++ b/tests/unit_tests/test_registrar_util.py
@@ -162,14 +162,14 @@ def test_read_file(tmpdir, nchars, max_config_length, ans):
         ("mydataset", "1.1.1", ".gen_paths/mydataset_1.1.1"),
     ],
 )
-def test_relpath_from_name(name, version_string, ans):
+def test_relpath_from_name(name, version_string, ans, old_location=None):
     """
     Test dataset path construction
     Datasets should come back with the format:
         <root_dir>/<owner_type>/<owner>/<relative_path>
     """
 
-    tmp = _relpath_from_name(name, version_string)
+    tmp = _relpath_from_name(name, version_string, old_location)
     assert tmp == ans
 
 @pytest.mark.parametrize(