diff --git a/lightning/src/offers/merkle.rs b/lightning/src/offers/merkle.rs
index 646f1ec4239..3bf419a73e3 100644
--- a/lightning/src/offers/merkle.rs
+++ b/lightning/src/offers/merkle.rs
@@ -230,8 +230,7 @@ mod tests {
 		let invoice_request = OfferBuilder::new("A Mathematical Treatise".into(), recipient_pubkey)
 			.amount(Amount::Currency { iso4217_code: *b"USD", amount: 100 })
 			.build_unchecked()
-			.request_invoice(payer_keys.public_key())
-			.metadata(vec![0; 8])
+			.request_invoice(vec![0; 8], payer_keys.public_key())
 			.build_unchecked()
 			.sign(|digest| secp_ctx.sign_schnorr_no_aux_rand(digest, &payer_keys))
 			.unwrap();