diff --git a/erpnext/selling/doctype/quotation/quotation.js b/erpnext/selling/doctype/quotation/quotation.js
index 64af35d..43fa20f 100644
--- a/erpnext/selling/doctype/quotation/quotation.js
+++ b/erpnext/selling/doctype/quotation/quotation.js
@@ -105,6 +105,10 @@
 
 	lead: function() {
 		var me = this;
+		if(!this.frm.doc.lead) {
+			return;
+		}
+
 		frappe.call({
 			method: "erpnext.crm.doctype.lead.lead.get_lead_details",
 			args: {