diff --git a/server/tests/unit/db/entity-class-fields.test.ts b/server/tests/unit/db/entity-class-fields.test.ts
index 005a6feda..8a3dfc189 100644
--- a/server/tests/unit/db/entity-class-fields.test.ts
+++ b/server/tests/unit/db/entity-class-fields.test.ts
@@ -25,7 +25,8 @@ import { afterAll, beforeAll, beforeEach, describe, expect, it } from 'vitest';
 // + Tours: tour_types label_key, icon, color; tours.tour_type; tour_waypoints id, place_id, lat, lng, role, sequence.
 // + scheduler_leases: name, owner, expires_at (the scheduler always writes all three).
 // + user_sessions: id, user_id, expires_at.
-const KNOWN_UNINITIALISED_NOT_NULL_SCALARS = 446;
+// + ferrata_tiles: tile_key, payload, fetched_at (a fetched tile always carries all three).
+const KNOWN_UNINITIALISED_NOT_NULL_SCALARS = 449;
 
 describe('entity class fields never carry a NaN initialiser (task-4-review-shape.md, Important 1)', () => {
   it('CLASSFIELD-001: new X() has no own property whose value is NaN, across all 133 entities', () => {
diff --git a/server/tests/unit/nest/ferratas.helpers.test.ts b/server/tests/unit/nest/ferratas.helpers.test.ts
index 4d418331d..5dd508142 100644
--- a/server/tests/unit/nest/ferratas.helpers.test.ts
+++ b/server/tests/unit/nest/ferratas.helpers.test.ts
@@ -271,7 +271,7 @@ describe('toFerratas', () => {
       { type: 'node', id: 3, lat: 1, lon: 2 },
       { type: 'way', id: -1, geometry: line },
       way(5, {}, [{ lat: 47.1, lon: 11.2 }, null]),
-      way(6, {}, undefined),
+      { type: 'way', id: 6, tags: { highway: 'via_ferrata' } },
       way(7, {}, [{ lat: 470, lon: 11.2 }, line[1]]),
       way(8),
       way(8),