diff --git a/erpnext/public/js/controllers/taxes_and_totals.js b/erpnext/public/js/controllers/taxes_and_totals.js
index fc1b4f5..e13927f 100644
--- a/erpnext/public/js/controllers/taxes_and_totals.js
+++ b/erpnext/public/js/controllers/taxes_and_totals.js
@@ -289,7 +289,7 @@
 			tax.total = flt(this.frm.doc.net_total + tax.tax_amount_after_discount_amount,
 				precision("total", tax));
 		} else {
-			tax.total = flt(this.frm.doc.get("taxes")[row_idx-1].total + tax.tax_amount_after_discount_amount,
+			tax.total = flt(this.frm.doc["taxes"][row_idx-1].total + tax.tax_amount_after_discount_amount,
 				precision("total", tax));
 		}
 	},
@@ -649,4 +649,4 @@
 		}
 		this.calculate_outstanding_amount(false);
 	}
-});
\ No newline at end of file
+});