diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 55de1591689..d85c7b0299a 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -571,3 +571,4 @@ AutoFillDateToShort=Set end date
 MaxNumberOfGenerationReached=Max number of gen. reached
 BILL_DELETEInDolibarr=Invoice deleted
 BILL_SUPPLIER_DELETEInDolibarr=Supplier invoice deleted
+CustomersInvoicesArea=Customer billing area