diff --git a/lib/TransactionBuilder.js b/lib/TransactionBuilder.js
index fb50d48..b1f1ca6 100644
--- a/lib/TransactionBuilder.js
+++ b/lib/TransactionBuilder.js
@@ -821,10 +821,12 @@ TransactionBuilder.prototype.build = function() {
 //
 TransactionBuilder.prototype.toObj = function() {
 
+  var utxos = this.selectedUtxos && this.selectedUtxos[0] ? this.selectedUtxos : JSON.parse(this.vanilla.utxos);
+
   var ret = {
     version: TOOBJ_VERSION,
     outs: JSON.parse(this.vanilla.outs),
-    utxos: JSON.parse(this.vanilla.utxos),
+    utxos: utxos,
     opts: JSON.parse(this.vanilla.opts),
     scriptSig: this.vanilla.scriptSig,
   };