diff --git a/studio/backend/tests/test_desktop_auth.py b/studio/backend/tests/test_desktop_auth.py
index ab1a03eeda..32fd412d6b 100644
--- a/studio/backend/tests/test_desktop_auth.py
+++ b/studio/backend/tests/test_desktop_auth.py
@@ -435,6 +435,7 @@ def test_health_response_reports_desktop_capability_fields(monkeypatch):
         data_recipe_router = APIRouter(),
         datasets_router = APIRouter(),
         export_router = APIRouter(),
+        html_preview_router = APIRouter(),
         inference_router = APIRouter(),
         inference_studio_router = APIRouter(),
         models_router = APIRouter(),