diff --git a/lightning/src/blinded_path/payment.rs b/lightning/src/blinded_path/payment.rs
index e7800fc98a5..446841817e5 100644
--- a/lightning/src/blinded_path/payment.rs
+++ b/lightning/src/blinded_path/payment.rs
@@ -201,7 +201,7 @@ pub(super) fn compute_payinfo(
 			.try_fold(0u16, |acc, delta| acc.checked_add(delta)).ok_or(())?,
 		htlc_minimum_msat: path.iter().map(|(_, tlvs)| tlvs.htlc_minimum_msat()).max().unwrap_or(0),
 		// TODO: this field isn't present in route blinding encrypted data
-		htlc_maximum_msat: 21_000_000 * 1_0000_0000, // Total bitcoin supply
+		htlc_maximum_msat: 21_000_000 * 100_000_000 * 1_000, // Total bitcoin supply
 		// TODO: when there are blinded hop features, take the subset of them here
 		features: BlindedHopFeatures::empty(),
 	})