diff --git a/tests/test_events_service.py b/tests/test_events_service.py
index 3952e28..dbb86f8 100644
--- a/tests/test_events_service.py
+++ b/tests/test_events_service.py
@@ -127,7 +127,7 @@ async def test_update_event_fires_caldav_push():
 @pytest.mark.asyncio
 async def test_tools_calendar_always_available():
     """Calendar tools must appear in get_tools_for_user even without CalDAV."""
-    with patch("fabledassistant.services.tools.is_caldav_configured", new_callable=AsyncMock) as mock_configured:
+    with patch("fabledassistant.services.tools._registry.is_caldav_configured", new_callable=AsyncMock) as mock_configured:
         mock_configured.return_value = False
         from fabledassistant.services.tools import get_tools_for_user
         tools = await get_tools_for_user(user_id=1)