diff --git a/index.js b/index.js
index bb1660d..cbab589 100644
--- a/index.js
+++ b/index.js
@@ -157,7 +157,8 @@ function update_merkle_root_hash(blob_in, blob_out) {
     transactions.push(tx);
     offset += tx.byteLength();
   }
-  reverseBuffer(getMerkleRoot2(transactions)).copy(blob_out, 4 + 32);
+  const rpcData = { transactions: transactions.slice(1) };
+  reverseBuffer(getMerkleRoot(rpcData, transactions[0].getHash().toString('hex'))).copy(blob_out, 4 + 32);
 };
 
 module.exports.convertRavenBlob = function(blobBuffer) {
diff --git a/package.json b/package.json
index 5100a76..b3281bd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "9.0.6",
+  "version": "9.0.7",
   "main": "cryptoforknote-util",
   "author": {
     "name": "LucasJones",