diff --git a/erpnext/crm/doctype/lead/lead.js b/erpnext/crm/doctype/lead/lead.js
index 981da1334cb..6398a9425b0 100644
--- a/erpnext/crm/doctype/lead/lead.js
+++ b/erpnext/crm/doctype/lead/lead.js
@@ -2,8 +2,8 @@
 // License: GNU General Public License v3. See license.txt
 
 frappe.provide("erpnext");
-if (cur_frm) {
-cur_frm.email_field = "email_id";
+if (this.frm) {
+	this.frm.email_field = "email_id";
 }
 erpnext.LeadController = class LeadController extends frappe.ui.form.Controller {
 	setup() {
@@ -239,6 +239,6 @@ erpnext.LeadController = class LeadController extends frappe.ui.form.Controller
 		crm_activities.refresh();
 	}
 };
-if (cur_frm) {
-extend_cscript(cur_frm.cscript, new erpnext.LeadController({ frm: cur_frm }));
+if (this.frm) {
+	extend_cscript(this.frm.cscript, new erpnext.LeadController({ frm: this.frm }));
 }