diff --git a/index.js b/index.js
index 3f2cb51..2d3e8b5 100644
--- a/index.js
+++ b/index.js
@@ -276,7 +276,7 @@ module.exports.constructNewRtmBlob = function(blockTemplate, nonceBuff) {
 };
 
 module.exports.constructNewKcnBlob = function(blockTemplate, nonceBuff) {
-  update_merkle_root_hash(80, false, blockTemplate, blockTemplate);
+  update_merkle_root_hash3(80, false, blockTemplate, blockTemplate);
   nonceBuff.copy(blockTemplate, 76, 0, 4);
   return blockTemplate;
 };
diff --git a/package.json b/package.json
index 3236214..844999f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "15.3.13",
+  "version": "15.3.14",
   "author": {
     "name": "LucasJones",
     "email": "lucasjonesdev@hotmail.co.uk"