diff --git a/product_management/core.py b/product_management/core.py
index 83fd88d..ade732b 100644
--- a/product_management/core.py
+++ b/product_management/core.py
@@ -1456,7 +1456,7 @@ WHERE resource_ref_id = ${llm_id}$ AND product_type = 'llm_model' LIMIT 1"""
             # PAY*: owner → supplier, amount = raw_cost * supplier_discount
             supplier_amount = raw_cost * last_link_discount
             accounting_items.append(DictObject(
-                action='PAY*', customerid=ownerid, resellerid=providerid,
+                action='PAY*', customerid=ownerid, resellerid=ownerid,
                 providerid=providerid, biz_date=biz_date, timestamp=timestamp,
                 productid=product_id, transamt=supplier_amount,
                 currency=prod_currency, base_amount=cost_base,
@@ -1492,7 +1492,7 @@ WHERE resource_ref_id = ${llm_id}$ AND product_type = 'llm_model' LIMIT 1"""
             # Final PAY*: top of chain → supplier
             supplier_amount = raw_cost * last_link_discount
             accounting_items.append(DictObject(
-                action='PAY*', customerid=chain[0], resellerid=providerid,
+                action='PAY*', customerid=chain[0], resellerid=chain[0],
                 providerid=providerid, biz_date=biz_date, timestamp=timestamp,
                 productid=product_id, transamt=supplier_amount,
                 currency=prod_currency, base_amount=cost_base,