diff --git a/bitcoin/block.c b/bitcoin/block.c
index dc478291d..ee929b2f2 100644
--- a/bitcoin/block.c
+++ b/bitcoin/block.c
@@ -60,7 +60,7 @@ bitcoin_block_from_hex(const tal_t *ctx, const struct chainparams *chainparams,
 		b->hdr.nonce = pull_le32(&p, &len);
 		sha256_le32(&shactx, b->hdr.nonce);
 	}
-	sha256_double_done(&shactx, &b->hdr.hash);
+	sha256_double_done(&shactx, &b->hdr.hash.shad);
 
 	num = pull_varint(&p, &len);
 	b->tx = tal_arr(b, struct bitcoin_tx *, num);
diff --git a/bitcoin/block.h b/bitcoin/block.h
index cf0c913b5..9ac3592be 100644
--- a/bitcoin/block.h
+++ b/bitcoin/block.h
@@ -23,7 +23,7 @@ struct bitcoin_block_hdr {
 	le32 timestamp;
 	le32 target;
 	le32 nonce;
-	struct sha256_double hash;
+	struct bitcoin_blkid hash;
 };
 
 struct elements_block_proof {