diff --git a/src/senaite/astm/tests/test_dca_vantage.py b/src/senaite/astm/tests/test_dca_vantage.py
index 9cdce7b..7798951 100644
--- a/src/senaite/astm/tests/test_dca_vantage.py
+++ b/src/senaite/astm/tests/test_dca_vantage.py
@@ -85,7 +85,7 @@ def test_dca_vantage_header_record(self):
         self.assertEqual(record["sender"]["version"], "04.04.00.00")
 
         # test serial number
-        self.assertEqual(record["sender"]["serial_number"], "S067337")
+        self.assertEqual(record["sender"]["serial"], "S067337")
 
         # test processing id
         self.assertEqual(record["processing_id"], "P")