diff --git a/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.js b/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.js
index 84255b2930..288ebc40b4 100644
--- a/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.js
+++ b/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.js
@@ -49,7 +49,7 @@ frappe.ui.form.on('Healthcare Service Unit Type', {
 var disable = function(frm){
 	var doc = frm.doc;
 	frappe.call({
-		method: 		"erpnext.healthcare.doctype.healthcare_service_unit_type.healthcare_service_unit_type.disable_enable",
+		method: "erpnext.healthcare.doctype.healthcare_service_unit_type.healthcare_service_unit_type.disable_enable",
 		args: {status: 1, doc_name: doc.name, item: doc.item, is_billable: doc.is_billable},
 		callback: function(){
 			cur_frm.reload_doc();
@@ -60,7 +60,7 @@ var disable = function(frm){
 var enable = function(frm){
 	var doc = frm.doc;
 	frappe.call({
-		method: 		"erpnext.healthcare.doctype.healthcare_service_unit_type.healthcare_service_unit_type.disable_enable",
+		method: "erpnext.healthcare.doctype.healthcare_service_unit_type.healthcare_service_unit_type.disable_enable",
 		args: {status: 0, doc_name: doc.name, item: doc.item, is_billable: doc.is_billable},
 		callback: function(){
 			cur_frm.reload_doc();
diff --git a/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.py b/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.py
index 727d035a80..650499454b 100644
--- a/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.py
+++ b/erpnext/healthcare/doctype/healthcare_service_unit_type/healthcare_service_unit_type.py
@@ -111,7 +111,7 @@ def change_item_code(item, item_code, doc_name):
 		frappe.db.set_value("Healthcare Service Unit Type", doc_name, "item_code", item_code)
 
 @frappe.whitelist()
-def disable_enable(status, doc_name, item,  is_billable):
+def disable_enable(status, doc_name, item=None,  is_billable=None):
 	frappe.db.set_value("Healthcare Service Unit Type", doc_name, "disabled", status)
 	if(is_billable == 1):
 		frappe.db.set_value("Item", item, "disabled", status)