diff --git a/tests/unit/test_attribute_handling.py b/tests/unit/test_attribute_handling.py
index 74ddeb4..dd2d010 100644
--- a/tests/unit/test_attribute_handling.py
+++ b/tests/unit/test_attribute_handling.py
@@ -60,8 +60,8 @@ def test_concatenator_options_getting_and_setting():
     assert concatenator.coord_delim == default_coord_delim
     concatenator.coord_delim = "---"
     assert concatenator.coord_delim == "---"
-    concatenator.group_delim = default_coord_delim
-    assert concatenator.group_delim == default_coord_delim
+    concatenator.coord_delim = default_coord_delim
+    assert concatenator.coord_delim == default_coord_delim
 
     concatenator.nonexistent_attribute = "---"
     assert concatenator.nonexistent_attribute == "---"