diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 5f59c1a5190..6e10a73ee7f 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -203,6 +203,7 @@ UnvalidateBill=Unvalidate invoice
 NumberOfBills=No. of invoices
 NumberOfBillsByMonth=No. of invoices per month
 AmountOfBills=Amount of invoices
+AmountOfBillsHT=Amount of invoices (net of tax)
 AmountOfBillsByMonthHT=Amount of invoices by month (net of tax)
 ShowSocialContribution=Show social/fiscal tax
 ShowBill=Show invoice