diff --git a/tests/test_sensospot_data.py b/tests/test_sensospot_data.py
index 61a83a3..c95177d 100644
--- a/tests/test_sensospot_data.py
+++ b/tests/test_sensospot_data.py
@@ -26,6 +26,7 @@ def test_compare_xml_to_csv(example_dir):
     assert isinstance(xml_df, pandas.DataFrame)
 
     assert len(csv_df) == len(xml_df)
+    assert set(csv_df.columns) == set(xml_df.columns)
     assert set(csv_df["Well.Name"]) == set(xml_df["Well.Name"])
     assert set(csv_df["Exposure.Id"]) == set(xml_df["Exposure.Id"])
     assert set(csv_df["Spot.Diameter"]) == set(xml_df["Spot.Diameter"])