diff --git a/src/transaction.js b/src/transaction.js
index 6528adf..f99976e 100644
--- a/src/transaction.js
+++ b/src/transaction.js
@@ -32,7 +32,9 @@ function Transaction() {
  *
  * Note that this method does not sign the created input.
  */
-Transaction.prototype.addInput = function(tx, index) {
+Transaction.prototype.addInput = function(tx, index, sequence) {
+  if (sequence == undefined) sequence = DEFAULT_SEQUENCE
+
   var hash
 
   if (typeof tx === 'string') {
@@ -54,7 +56,7 @@ Transaction.prototype.addInput = function(tx, index) {
     hash: hash,
     index: index,
     script: Script.EMPTY,
-    sequence: DEFAULT_SEQUENCE
+    sequence: sequence
   }) - 1)
 }
 
diff --git a/test/transaction.js b/test/transaction.js
index eb416e6..e93ea11 100644
--- a/test/transaction.js
+++ b/test/transaction.js
@@ -100,11 +100,15 @@ describe('Transaction', function() {
           Array.prototype.reverse.call(txInId)
           txInId = txInId.toString('hex')
 
-          var j = tx.addInput(txInId, txIn.index)
+          var j = tx.addInput(txInId, txIn.index, txIn.sequence)
 
           assert.equal(i, j)
           assert.deepEqual(tx.ins[i].hash, txIn.hash)
           assert.equal(tx.ins[i].index, txIn.index)
+
+          var sequence = txIn.sequence
+          if (sequence == undefined) sequence = Transaction.DEFAULT_SEQUENCE
+          assert.equal(tx.ins[i].sequence, sequence)
         })
       })
     })