diff --git a/modules/invoiceOut/back/methods/invoiceOut/specs/download.spec.js b/modules/invoiceOut/back/methods/invoiceOut/specs/download.spec.js
index 3a46311ad4..4029bfbcfa 100644
--- a/modules/invoiceOut/back/methods/invoiceOut/specs/download.spec.js
+++ b/modules/invoiceOut/back/methods/invoiceOut/specs/download.spec.js
@@ -23,6 +23,6 @@ describe('InvoiceOut download()', () => {
         const result = await models.InvoiceOut.download(ctx, invoiceId);
 
         expect(result[1]).toEqual('application/pdf');
-        expect(result[2]).toEqual('filename="2021T1111111.pdf"');
+        expect(result[2]).toMatch(/filename="\d{4}T1111111.pdf"/);
     });
 });