diff --git a/openpilot/starpilot/flm/tests/test_event_frame_index.py b/openpilot/starpilot/flm/tests/test_event_frame_index.py
index 19b7678dc4..2e986e0806 100644
--- a/openpilot/starpilot/flm/tests/test_event_frame_index.py
+++ b/openpilot/starpilot/flm/tests/test_event_frame_index.py
@@ -57,10 +57,13 @@ def test_actual_fit_missing_stage_frame_is_fail_closed():
        mock.patch('openpilot.starpilot.flm.event_raw_fit.fit_event_physical', return_value=model), \
        mock.patch('openpilot.starpilot.flm.event_raw_fit.objective_excited', return_value=True), \
        mock.patch('openpilot.starpilot.flm.event_raw_fit.control_from_dict',
-                  side_effect=lambda values: SimpleNamespace(control_ns=values['stamp'])), \
+                  side_effect=lambda values, *, trace_archive: SimpleNamespace(control_ns=values['stamp'])) as control, \
        mock.patch('openpilot.starpilot.flm.event_raw_fit.output_from_dict',
                   side_effect=lambda values: SimpleNamespace(apply_ns=values['stamp'])), \
        mock.patch('openpilot.starpilot.flm.event_raw_fit.delivered', return_value=.01), \
        pytest.raises(ValueError, match='supported actual physical response'):
     engine.projected[first_stage['apply_ns']] = (.01, (1.,))
     fit_event_torque({}, engine, objective)
+  # This isolated legacy fixture has no normalized trace archive; the stage
+  # decoder must still receive the explicit archive argument before the join.
+  control.assert_called_once_with(first_stage['control'], trace_archive=None)
diff --git a/prebuilt.json b/prebuilt.json
index 28300ea29d..f9d8019512 100644
--- a/prebuilt.json
+++ b/prebuilt.json
@@ -1 +1 @@
-{"protected_inventory_sha256": "22e0802e6262911b9e33f947e76ef062d02177488c9ef902f1b8a6f028ddf2a4", "schema_version": 1}
+{"protected_inventory_sha256": "cf93b582e6b451e24d05a20749b5e9efae76d8a675aa4cf540c5a71579efca87", "schema_version": 1}