diff --git a/erpnext/healthcare/doctype/patient/patient.js b/erpnext/healthcare/doctype/patient/patient.js
index de5bce0aa65..169281430ce 100644
--- a/erpnext/healthcare/doctype/patient/patient.js
+++ b/erpnext/healthcare/doctype/patient/patient.js
@@ -123,13 +123,13 @@ var btn_invoice_registration = function (frm) {
 
 frappe.ui.form.on('Patient Relation', {
 	patient_relation_add: function(frm){
-		frm.fields_dict['patient_relation'].grid.get_field('patient').get_query = function(frm){
+		frm.fields_dict['patient_relation'].grid.get_field('patient').get_query = function(doc){
 			var patient_list = [];
-			if(!frm.doc.__islocal) patient_list.push(frm.doc.name);
-			$.each(frm.doc.patient_relation, function(idx, val){
+			if(!doc.__islocal) patient_list.push(doc.name);
+			$.each(doc.patient_relation, function(idx, val){
 				if (val.patient) patient_list.push(val.patient);
 			});
 			return { filters: [['Patient', 'name', 'not in', patient_list]] };
 		};
 	}
-});
\ No newline at end of file
+});