diff --git a/bitcoin/src/blockdata/transaction.rs b/bitcoin/src/blockdata/transaction.rs
index 7d7bf7699..d9ec07c80 100644
--- a/bitcoin/src/blockdata/transaction.rs
+++ b/bitcoin/src/blockdata/transaction.rs
@@ -790,7 +790,7 @@ pub fn effective_value(
     value: Amount,
 ) -> Option<SignedAmount> {
     let weight = satisfaction_weight.checked_add(TX_IN_BASE_WEIGHT)?;
-    let signed_input_fee = fee_rate.checked_mul_by_weight(weight)?.to_signed();
+    let signed_input_fee = fee_rate.to_fee(weight)?.to_signed();
     value.to_signed().checked_sub(signed_input_fee)
 }