diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index e742ae9a890..4801b333df9 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -525,6 +525,7 @@ erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 
 		item.weight_per_unit = 0;
 		item.weight_uom = '';
+		item.conversion_factor = 0;
 
 		if(['Sales Invoice'].includes(this.frm.doc.doctype)) {
 			update_stock = cint(me.frm.doc.update_stock);