diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 5f8966f..fd3d472 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -487,6 +487,10 @@
 		var me = this;
 		var item = frappe.get_doc(cdt, cdn);
 		var update_stock = 0, show_batch_dialog = 0;
+
+		item.weight_per_unit = 0;
+		item.weight_uom = '';
+
 		if(['Sales Invoice'].includes(this.frm.doc.doctype)) {
 			update_stock = cint(me.frm.doc.update_stock);
 			show_batch_dialog = update_stock;
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index d578e6a..19597c3 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -321,8 +321,8 @@
 		"transaction_date": args.get("transaction_date"),
 		"against_blanket_order": args.get("against_blanket_order"),
 		"bom_no": item.get("default_bom"),
-		"weight_per_unit": item.get("weight_per_unit"),
-		"weight_uom": item.get("weight_uom")
+		"weight_per_unit": args.get("weight_per_unit") or item.get("weight_per_unit"),
+		"weight_uom": args.get("weight_uom") or item.get("weight_uom")
 	})
 
 	if item.get("enable_deferred_revenue") or item.get("enable_deferred_expense"):