diff --git a/bitcoin/src/policy.rs b/bitcoin/src/policy.rs
index ca1bacb0d..96b77bbab 100644
--- a/bitcoin/src/policy.rs
+++ b/bitcoin/src/policy.rs
@@ -18,8 +18,8 @@ use super::constants::{MAX_BLOCK_SIGOPS_COST, WITNESS_SCALE_FACTOR};
 /// Maximum weight of a transaction for it to be relayed by most nodes on the network
 pub const MAX_STANDARD_TX_WEIGHT: u32 = 400_000;
 
-/// Minimum non-witness size for a standard transaction (1 SegWit input + 1 P2WPKH output = 82 bytes)
-pub const MIN_STANDARD_TX_NONWITNESS_SIZE: u32 = 82;
+/// Minimum non-witness size for a standard transaction, set to 65 bytes.
+pub const MIN_STANDARD_TX_NONWITNESS_SIZE: u32 = 65;
 
 /// Maximum number of sigops in a standard tx.
 pub const MAX_STANDARD_TX_SIGOPS_COST: u32 = MAX_BLOCK_SIGOPS_COST as u32 / 5;