diff --git a/bitcoin/src/internal_macros.rs b/bitcoin/src/internal_macros.rs
index e59f2f4e1..208dbb688 100644
--- a/bitcoin/src/internal_macros.rs
+++ b/bitcoin/src/internal_macros.rs
@@ -181,7 +181,7 @@ macro_rules! impl_hashencode {
     ($hashtype:ident) => {
         impl $crate::consensus::Encodable for $hashtype {
             fn consensus_encode<W: $crate::io::Write + ?Sized>(&self, w: &mut W) -> core::result::Result<usize, $crate::io::Error> {
-                self.0.consensus_encode(w)
+                self.as_byte_array().consensus_encode(w)
             }
         }