diff --git a/lib/primitives/mtx.js b/lib/primitives/mtx.js
index 2351f246..e1716953 100644
--- a/lib/primitives/mtx.js
+++ b/lib/primitives/mtx.js
@@ -1703,10 +1703,8 @@ CoinSelector.prototype.getFee = function getFee(size) {
  */
 
 CoinSelector.prototype.fund = function fund() {
-  let coin;
-
   while (this.index < this.coins.length) {
-    coin = this.coins[this.index++];
+    let coin = this.coins[this.index++];
 
     if (!this.isSpendable(coin))
       continue;