diff --git a/erpnext/selling/doctype/customer/customer.js b/erpnext/selling/doctype/customer/customer.js
index 16f0faf..55aaa02 100644
--- a/erpnext/selling/doctype/customer/customer.js
+++ b/erpnext/selling/doctype/customer/customer.js
@@ -44,13 +44,13 @@
 	},
 	customer_primary_address: function(frm){
 		if(!frm.doc.customer_primary_address){
-			frm.doc.primary_address = "";
+			frm.set_value("primary_address", "");
 		}
 	},
 	customer_primary_contact: function(frm){
 		if(!frm.doc.customer_primary_contact){
-			frm.doc.mobile_no = "";
-			frm.doc.email_id = "";
+			frm.set_value("mobile_no", "");
+			frm.set_value("email_id", "");
 		}
 	},
 
@@ -92,4 +92,4 @@
 	validate: function(frm) {
 		if(frm.doc.lead_name) frappe.model.clear_doc("Lead", frm.doc.lead_name);
 	},
-});
\ No newline at end of file
+});