diff --git a/erpnext/hr/doctype/shift_assignment/shift_assignment_calendar.js b/erpnext/hr/doctype/shift_assignment/shift_assignment_calendar.js
index c2c9bc0..17a986d 100644
--- a/erpnext/hr/doctype/shift_assignment/shift_assignment_calendar.js
+++ b/erpnext/hr/doctype/shift_assignment/shift_assignment_calendar.js
@@ -3,8 +3,8 @@
 
 frappe.views.calendar["Shift Assignment"] = {
 	field_map: {
-		"start": "date",
-		"end": "date",
+		"start": "start_date",
+		"end": "end_date",
 		"id": "name",
 		"docstatus": 1
 	},