diff --git a/src/lib/invoice-pdf.ts b/src/lib/invoice-pdf.ts
index bef4564..d95fea4 100644
--- a/src/lib/invoice-pdf.ts
+++ b/src/lib/invoice-pdf.ts
@@ -275,14 +275,15 @@ export async function downloadInvoicePdf(input: InvoicePdfInput, filename: strin
     ty += 11;
   }
 
-  // Info card (right) — key/value rows
+  // Info card (right) — key/value rows.
+  // "Case No." is shown directly under the invoice number for quick reference.
   const infoRows: Array<[string, string]> = [
     ["Inv. Number", input.invoice.number],
   ];
-  if (input.invoice.matter) infoRows.push(["Matter", input.invoice.matter]);
+  if (input.invoice.caseNumber) infoRows.push(["Case No.", input.invoice.caseNumber]);
   infoRows.push(["Date of Issue", formatDate(input.invoice.issueDate)]);
   if (input.invoice.terms) infoRows.push(["Terms", input.invoice.terms]);
-  if (input.invoice.dueDate) infoRows.push(["Date Due", formatDate(input.invoice.dueDate)]);
+  if (input.invoice.dueDate) infoRows.push(["Date Due", formatDate(input.invoke.dueDate ?? input.invoice.dueDate)]);
 
   const rowH = 18;
   const infoTop = y - 4;