diff --git a/erpnext/manufacturing/doctype/work_order/work_order.js b/erpnext/manufacturing/doctype/work_order/work_order.js
index 15a33ca..107c79b 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.js
+++ b/erpnext/manufacturing/doctype/work_order/work_order.js
@@ -540,7 +540,7 @@
 
 	calculate_total_cost: function(frm) {
 		let variable_cost = flt(frm.doc.actual_operating_cost) || flt(frm.doc.planned_operating_cost);
-		frm.set_value("total_operating_cost", (flt(frm.doc.additional_operating_cost) + variable_cost))
+		frm.set_value("total_operating_cost", (flt(frm.doc.additional_operating_cost) + variable_cost));
 	},
 
 	set_default_warehouse: function(frm) {