diff --git a/test/postcode.regression.unit.ts b/test/postcode.regression.unit.ts
index ea24b838..fe5eeee2 100644
--- a/test/postcode.regression.unit.ts
+++ b/test/postcode.regression.unit.ts
@@ -148,10 +148,10 @@ describe("Postcode data regression testing", function () {
         ced_id: "L99999999",
         constituency_id: "L99999999",
         parliamentary_constituency: null,
-        admin_district: null,
+        admin_district: "Channel Islands",
         parish: null,
         admin_county: null,
-        admin_ward: null,
+        admin_ward: "Channel Islands",
         ccg: null,
         ccg_code: null,
         nuts: null,