diff --git a/services/dask-sidecar/tests/unit/test_tasks.py b/services/dask-sidecar/tests/unit/test_tasks.py
index e2ad38cd344..d6462eff6ce 100644
--- a/services/dask-sidecar/tests/unit/test_tasks.py
+++ b/services/dask-sidecar/tests/unit/test_tasks.py
@@ -688,6 +688,7 @@ def test_failing_service_raises_exception(
     dask_subsystem_mock: dict[str, mock.Mock],
     failing_ubuntu_task: ServiceExampleParam,
     s3_settings: S3Settings,
+    mocked_get_image_labels: mock.Mock,
 ):
     with pytest.raises(ServiceRuntimeError):
         run_computational_sidecar(