diff --git a/test/internal/modules/view-licences/controller.test.js b/test/internal/modules/view-licences/controller.test.js
index 53d6dec05..f5f2ba373 100644
--- a/test/internal/modules/view-licences/controller.test.js
+++ b/test/internal/modules/view-licences/controller.test.js
@@ -27,8 +27,8 @@ experiment('internal/modules/billing/controllers/bills-tab', () => {
       response: sandbox.stub().returns(),
       redirect: sandbox.stub()
     }
-    sandbox.stub(services.water.licences, 'postMarkLicenceForSupplementaryBilling').resolves()
     sandbox.stub(services.system.licences, 'supplementary').resolves()
+    sandbox.stub(services.system.returns, 'supplementary').resolves()
     sandbox.stub(services.water.licences, 'getDocumentByLicenceId').resolves({
       metadata: {},
       system_external_id: 'test id'
@@ -439,8 +439,8 @@ experiment('internal/modules/billing/controllers/bills-tab', () => {
         await controller.postMarkLicenceForSupplementaryBilling(request, h)
       })
 
-      test('calls system', () => {
-        expect(services.system.licences.supplementary.calledWith(tempReturnId)).to.be.true()
+      test('calls system with the returnId', () => {
+        expect(services.system.returns.supplementary.calledWith(tempReturnId)).to.be.true()
       })
     })
 
@@ -468,8 +468,8 @@ experiment('internal/modules/billing/controllers/bills-tab', () => {
         await controller.postMarkLicenceForSupplementaryBilling(request, h)
       })
 
-      test('calls the backend', () => {
-        expect(services.water.licences.postMarkLicenceForSupplementaryBilling.calledWith(tempLicenceId)).to.be.true()
+      test('calls system with the licenceId', () => {
+        expect(services.system.licences.supplementary.calledWith(tempLicenceId)).to.be.true()
       })
 
       test('returns the correct view data objects', async () => {