diff --git a/tests/acceptance/Support/BffAcceptanceHost.cs b/tests/acceptance/Support/BffAcceptanceHost.cs
index dcd94a2..574a686 100644
--- a/tests/acceptance/Support/BffAcceptanceHost.cs
+++ b/tests/acceptance/Support/BffAcceptanceHost.cs
@@ -68,6 +68,9 @@ public sealed class CapturingDomainClient : IDomainClient
         SubmittedBsn = bsn;
         return Task.FromResult(new SubmitAccepted("reg-acc-1", "Ingediend"));
     }
+
+    public Task<IReadOnlyList<WerkbakItem>> GetWerkbakAsync(CancellationToken ct = default)
+        => Task.FromResult<IReadOnlyList<WerkbakItem>>([]);
 }
 
 /// <summary>Serves configurable projection rows.</summary>