diff --git a/api/apps/api/src/modules/scenarios/input-files/input-params/input-parameter-file.provider.spec.ts b/api/apps/api/src/modules/scenarios/input-files/input-params/input-parameter-file.provider.spec.ts
index 0a430fdd58..cb7a816a27 100644
--- a/api/apps/api/src/modules/scenarios/input-files/input-params/input-parameter-file.provider.spec.ts
+++ b/api/apps/api/src/modules/scenarios/input-files/input-params/input-parameter-file.provider.spec.ts
@@ -225,6 +225,7 @@ async function getFixtures() {
         costSurfaceId: '',
         costSurface: {
           id: '',
+          stableId: '',
           name: 'some cost surface',
           projectId: '',
           isDefault: false,