diff --git a/tests/test_ark_managed_agent_host.py b/tests/test_ark_managed_agent_host.py
index 9f14a92c1a..f615c8da74 100644
--- a/tests/test_ark_managed_agent_host.py
+++ b/tests/test_ark_managed_agent_host.py
@@ -502,7 +502,7 @@ def test_fresh_host_reconstructs_frontier_from_durable_loopx_state(
     assert replacement_host["selected_todo"]["todo_id"] == CONTINUITY_TODO_ID
     selected = next(
         item
-        for item in todo_readback["agent_todos"]["items"]
+        for item in todo_readback["todos"]
         if item["todo_id"] == CONTINUITY_TODO_ID
     )
     assert selected["note"] == "phase A validated; resume from the durable frontier"