diff --git a/tests/test_issue3975_cron_reply_materialization.py b/tests/test_issue3975_cron_reply_materialization.py
index c1aa6f0c..f3fa7f35 100644
--- a/tests/test_issue3975_cron_reply_materialization.py
+++ b/tests/test_issue3975_cron_reply_materialization.py
@@ -59,7 +59,7 @@ def test_chat_start_materializes_cron_session_before_reply(monkeypatch, tmp_path
     monkeypatch.setattr(routes, "get_session", fail_get_session)
     monkeypatch.setattr(routes, "_get_or_materialize_session", materialize)
     monkeypatch.setattr(routes, "_resolve_chat_workspace_with_recovery", lambda _s, _w: str(tmp_path))
-    monkeypatch.setattr(routes, "_read_profile_model_config", lambda _s, _provider: (None, None))
+    monkeypatch.setattr(routes, "_read_profile_model_config", lambda _s, _provider: (None, None, None))
     monkeypatch.setattr(
         routes,
         "_resolve_compatible_session_model_state",
diff --git a/tests/test_session_active_profile_authorization.py b/tests/test_session_active_profile_authorization.py
index 878361d9..1c9d9b9c 100644
--- a/tests/test_session_active_profile_authorization.py
+++ b/tests/test_session_active_profile_authorization.py
@@ -188,7 +188,7 @@ def test_chat_start_body_profile_cannot_retag_visible_empty_session_without_acti
     monkeypatch.setattr(routes, "_get_or_materialize_session", lambda sid, **_kwargs: empty_visible)
     monkeypatch.setattr(routes, "_get_active_profile_name", lambda: "default")
     monkeypatch.setattr(routes, "_resolve_chat_workspace_with_recovery", lambda *_args, **_kwargs: "/workspace")
-    monkeypatch.setattr(routes, "_read_profile_model_config", lambda *_args, **_kwargs: (None, None))
+    monkeypatch.setattr(routes, "_read_profile_model_config", lambda *_args, **_kwargs: (None, None, None))
     monkeypatch.setattr(
         routes,
         "_resolve_compatible_session_model_state",