diff --git a/internal/api/relay_hosted_runtime_test.go b/internal/api/relay_hosted_runtime_test.go
index f469d90a2..17c6bae84 100644
--- a/internal/api/relay_hosted_runtime_test.go
+++ b/internal/api/relay_hosted_runtime_test.go
@@ -168,12 +168,18 @@ func TestLoadRelayConfigForRuntime_DoesNotOverrideExplicitDisabledRelayConfig(t
 }
 
 func TestHostedRelayRuntimeBuildsMobileOnboardingAppRelayURL(t *testing.T) {
-	router, _, _ := newHostedRelayRuntimeTestRouter(t)
+	router, _, instanceHost := newHostedRelayRuntimeTestRouter(t)
 
 	relayCfg, err := router.loadRelayConfigForRuntime(context.Background())
 	if err != nil {
 		t.Fatalf("loadRelayConfigForRuntime() error = %v", err)
 	}
+	router.relayClient = fakeRelayRuntimeClient{
+		status: relay.ClientStatus{
+			Connected:  true,
+			InstanceID: instanceHost,
+		},
+	}
 
 	req := httptest.NewRequest("GET", "https://t-hostedrelay01.cloud.pulserelay.pro/api/onboarding/qr", nil)
 	payload, diagnostics := router.buildOnboardingPayload(req, relayCfg, "test-mobile-proof-token")