diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index 6edc020701..4dee375e5a 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -336,7 +336,7 @@ class BuyingController(StockController):
 				raw_material_data = backflushed_raw_materials_map.get(rm_item_key, {})
 
 				consumed_qty = raw_material_data.get('qty', 0)
-				consumed_serial_nos = raw_material_data.get('serial_nos', '')
+				consumed_serial_nos = raw_material_data.get('serial_no', '')
 				consumed_batch_nos = raw_material_data.get('batch_nos', '')
 
 				transferred_qty = raw_material.qty