diff --git a/test/wallet.js b/test/wallet.js
index 4e49ca8..6ae9ea9 100644
--- a/test/wallet.js
+++ b/test/wallet.js
@@ -273,6 +273,7 @@ describe('Wallet', function() {
   describe('setUnspentOutputs', function() {
     var utxo
     var expectedOutputKey
+    var wallet
 
     beforeEach(function() {
       utxo = {