diff --git a/scripts/stage2_worker.py b/scripts/stage2_worker.py
index b8df56f..61064d6 100644
--- a/scripts/stage2_worker.py
+++ b/scripts/stage2_worker.py
@@ -220,8 +220,15 @@ def enqueue_stage3(pg, source, full_text, orientation, metadata,
             supersedes_prior_state = EXCLUDED.supersedes_prior_state,
             state_type_rationale = EXCLUDED.state_type_rationale,
             enqueued_at = NOW(),
+            -- Reset all run-state fields on re-enqueue. Without this,
+            -- stale started_at from a prior attempt makes the row
+            -- invisible to the Stage 3 worker's claim filter (which
+            -- typically uses started_at IS NULL).
+            started_at = NULL,
             completed_at = NULL,
             failed_at = NULL,
+            failure_reason = NULL,
+            external_job_id = NULL,
             attempts = 0
     """, (source, full_text, orientation, json.dumps(metadata),
           state_type, state_type_confidence, supersedes_prior_state,