diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
index 055b9c4..c11965e 100644
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
@@ -74,7 +74,8 @@
 			"Purchase Order Item": {
 				"ref_dn_field": "purchase_order_item",
 				"compare_fields": [["project", "="], ["uom", "="], ["item_code", "="]],
-				"is_child_table": True
+				"is_child_table": True,
+				"allow_duplicate_prev_row_id": True
 			}
 		})