diff --git a/backend/routes/invoices.py b/backend/routes/invoices.py
index cb7bd90..4aceda3 100644
--- a/backend/routes/invoices.py
+++ b/backend/routes/invoices.py
@@ -160,7 +160,7 @@ def _generate_pdf(invoice, items) -> bytes:
     info_rows = [
         ("Rechnungsnummer", invoice["invoice_number"]),
         ("Datum",           fdate(invoice.get("created_at", ""))),
-        ("Faellig bis",     due_date),
+        ("Fällig bis",     due_date),
     ]
     if invoice.get("service_period"):
         info_rows.append(("Leistungszeitraum", invoice["service_period"]))