diff --git a/internal/client/usecase/client_ucase_test.go b/internal/client/usecase/client_ucase_test.go
index 4684c08..ae263f7 100644
--- a/internal/client/usecase/client_ucase_test.go
+++ b/internal/client/usecase/client_ucase_test.go
@@ -19,7 +19,7 @@ func TestDiscovery(t *testing.T) {
 
 	store := new(sync.Map)
 	testClient, localhostClient := domain.TestClient(t), domain.TestClient(t)
-	localhostClient.ID, _ = domain.ParseClientID("http://localhost.toby3d.me/")
+	localhostClient.ID, _ = domain.ParseClientID("http://localhost/")
 
 	for _, client := range []*domain.Client{testClient, localhostClient} {
 		store.Store(path.Join(repository.DefaultPathPrefix, client.ID.String()), client)
diff --git a/internal/domain/client_id.go b/internal/domain/client_id.go
index 4b41165..8bc5179 100644
--- a/internal/domain/client_id.go
+++ b/internal/domain/client_id.go
@@ -107,7 +107,7 @@ func ParseClientID(src string) (*ClientID, error) {
 func TestClientID(tb testing.TB) *ClientID {
 	tb.Helper()
 
-	clientID, err := ParseClientID("https://indieauth.example.com/")
+	clientID, err := ParseClientID("https://example.com/")
 	if err != nil {
 		tb.Fatal(err)
 	}