Update journal_voucher.py
diff --git a/erpnext/accounts/doctype/journal_voucher/journal_voucher.py b/erpnext/accounts/doctype/journal_voucher/journal_voucher.py
index fc1916b..a8854ab 100644
--- a/erpnext/accounts/doctype/journal_voucher/journal_voucher.py
+++ b/erpnext/accounts/doctype/journal_voucher/journal_voucher.py
@@ -147,7 +147,7 @@
for d in self.get('entries'):
if d.against_invoice and d.credit:
currency = frappe.db.get_value("Sales Invoice", d.against_invoice, "currency")
- r.append(_("{0} {1} against Invoice {1}").format(currency, fmt_money(flt(d.credit)), d.against_invoice))
+ r.append(_("{0} {1} against Invoice {2}").format(currency, fmt_money(flt(d.credit)), d.against_invoice))
if d.against_voucher and d.debit:
bill_no = frappe.db.sql("""select bill_no, bill_date, currency