diff --git a/lib/transaction/transaction.js b/lib/transaction/transaction.js
index 150a91b49..231af0ef4 100644
--- a/lib/transaction/transaction.js
+++ b/lib/transaction/transaction.js
@@ -1494,7 +1494,7 @@ Transaction.prototype.getOutPointBuffer = function getOutPointBuffer(
     );
   }
 
-  var binaryTransactionHash = Buffer.from(this.hash, 'hex');
+  var binaryTransactionHash = this._getHash();
   var indexBuffer = Buffer.alloc(4);
 
   indexBuffer.writeUInt32LE(outputIndex, 0);
diff --git a/test/transaction/transaction.js b/test/transaction/transaction.js
index 7c8e0b366..57d8f5072 100644
--- a/test/transaction/transaction.js
+++ b/test/transaction/transaction.js
@@ -1591,7 +1591,7 @@ describe('Transaction', function () {
 
       var outPointBuffer = transaction.getOutPointBuffer(0);
 
-      expect(outPointBuffer.toString('hex')).to.be.equal(txHash + indexHex);
+      expect(outPointBuffer.toString('hex')).to.be.equal(transaction._getHash().toString('hex') + indexHex);
       expect(outPointBuffer.length).to.be.equal(36);
     });