diff --git a/backend/ecmk_fetcher/tests/test_xml_processor.py b/backend/ecmk_fetcher/tests/test_xml_processor.py
index 801676ec..2a78cc7b 100644
--- a/backend/ecmk_fetcher/tests/test_xml_processor.py
+++ b/backend/ecmk_fetcher/tests/test_xml_processor.py
@@ -183,6 +183,7 @@ def test_flatten_full():
 
     # assert
     assert result == {
+        "reference": "1AB245CD",
         "address": "1, Fake Avenue, Random, AB24 5CD",
         "property_type": "House",
         "main_dwelling_floor_1_area_m2": 43.61,
@@ -216,6 +217,7 @@ def test_flatten_no_roof():
 
     # assert
     assert result == {
+        "reference": "5XY12AB",
         "address": "5, Somewhere, XY1 2AB",
         "property_type": "House",
         "main_dwelling_floor_1_area_m2": 50.0,