diff --git a/deploy/services/process.py b/deploy/services/process.py
index 52e3f0d..872f7e1 100644
--- a/deploy/services/process.py
+++ b/deploy/services/process.py
@@ -17,6 +17,9 @@ def run_pipeline(contract_id, order_ids, sse_send, build_prompt_fn):
         order_list = [x.strip() for x in order_ids.split(",") if x.strip()]
         order_map = {oid: i for i, oid in enumerate(order_list)}
         supps.sort(key=lambda s: order_map.get(s["id"], 999999))
+    else:
+        # Sort by doc_date (from classification), fallback to created_at
+        supps.sort(key=lambda s: (s.get("doc_date") or "9999-99-99", s.get("created_at", "")))
 
     if not supps:
         sse_send({"type": "error", "message": "Нет распарсенных файлов"})