diff --git a/lib/blockTemplate.js b/lib/blockTemplate.js
index 886cdd1..723e0cf 100644
--- a/lib/blockTemplate.js
+++ b/lib/blockTemplate.js
@@ -23,6 +23,9 @@ var BlockTemplate = module.exports = function BlockTemplate(jobId, rpcData, pool
 
     function getTransactionBuffers(txs){
         var txHashes = txs.map(function(tx){
+            if (tx.txid !== undefined) {
+                return util.uint256BufferFromHash(tx.txid);
+            }
             return util.uint256BufferFromHash(tx.hash);
         });
         return [null].concat(txHashes);
@@ -136,4 +139,4 @@ var BlockTemplate = module.exports = function BlockTemplate(jobId, rpcData, pool
         }
         return this.jobParams;
     };
-};
\ No newline at end of file
+};