diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
index ab15be7b238e9e4a3ecbbda3bd05d9698dd3301b..84e88287c9cdcf29a0bda8ea6cd40dd70768decf 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
@@ -116,10 +116,13 @@ erpnext.accounts.PurchaseInvoice = class PurchaseInvoice extends erpnext.buying.
 			cur_frm.page.set_inner_btn_group_as_primary(__('Create'));
 		}
 
-		if(!doc.is_return && doc.docstatus==1) {
-			if(doc.outstanding_amount >= 0 || Math.abs(flt(doc.outstanding_amount)) < flt(doc.grand_total)) {
-				cur_frm.add_custom_button(__('Return / Debit Note'),
-					this.make_debit_note, __('Create'));
+		if (!doc.is_return && doc.docstatus == 1) {
+			if (doc.outstanding_amount >= 0 || Math.abs(flt(doc.outstanding_amount)) < flt(doc.grand_total)) {
+				this.frm.add_custom_button(
+					__("Return / Debit Note"),
+					this.make_debit_note.bind(this),
+					__("Create")
+				);
 			}
 		}