diff --git a/index.js b/index.js
index 3ca0a91..3c88e6c 100644
--- a/index.js
+++ b/index.js
@@ -44,7 +44,7 @@ function hash256(buffer) {
 function getMerkleRoot(transactions) {
   if (transactions.length === 0) return null;
   if (transactions.length === 1) return transactions[0].getHash();
-  let hashes = [ reverseBuffer(transactions[0]).toString('hex') ];
+  let hashes = [ reverseBuffer(transactions[0].getHash()).toString('hex') ];
   transactions.split(1).forEach(function (value) {
     hashes.push(value.hash);
   });
diff --git a/package.json b/package.json
index 6f97905..ad24536 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "9.0.14",
+  "version": "9.0.15",
   "main": "cryptoforknote-util",
   "author": {
     "name": "LucasJones",