diff --git a/workflow/internal/contracttest/contracttest_test.go b/workflow/internal/contracttest/contracttest_test.go
index afafbe49..900fec03 100644
--- a/workflow/internal/contracttest/contracttest_test.go
+++ b/workflow/internal/contracttest/contracttest_test.go
@@ -99,7 +99,7 @@ func marshalFirstElement(t *testing.T, decoded map[string]any, key string) []byt
 func TestContract_ENG02_RegisterResponse(t *testing.T) {
 	pool := testPool(t)
 	token := "qa-06-vertragstest-token"
-	srv := moduleadapter.NewServer(pool, token, "mandant-vertragstest")
+	srv := moduleadapter.NewServer(pool, token, "mandant-vertragstest", alwaysValidVerifier{})
 	mux := http.NewServeMux()
 	srv.RegisterRoutes(mux)
 	server := httptest.NewServer(mux)