diff --git a/tests/test_db.py b/tests/test_db.py
index 8262ced..cec9adf 100644
--- a/tests/test_db.py
+++ b/tests/test_db.py
@@ -27,7 +27,7 @@ class TestDB(DBSetup):
                  ['depth', 'value', 'bottom_depth', 'comments', 'sample_a',
                   'sample_b', 'sample_c']
     raster_atts = meas_atts + ['raster', 'description']
-    measurement_types_attributes = ['name', 'units']
+    measurement_types_attributes = ['name', 'units','derived']
     DOI_attributes = ['doi', 'date_accessed']
 
     def setup_class(self):