diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
index dc9094c..81e3aaa 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
@@ -365,7 +365,7 @@
 	items_add: function(doc, cdt, cdn) {
 		var row = frappe.get_doc(cdt, cdn);
 		this.frm.script_manager.copy_from_first_row("items", row,
-			["expense_account", "cost_center", "project"]);
+			["expense_account", "discount_account", "cost_center", "project"]);
 	},
 
 	on_submit: function() {