diff --git a/lib/blockchain/chaindb.js b/lib/blockchain/chaindb.js
index 61084286..beec2e93 100644
--- a/lib/blockchain/chaindb.js
+++ b/lib/blockchain/chaindb.js
@@ -1255,9 +1255,7 @@ ChainDB.prototype.scan = async function scan(start, filter, iter) {
       if (tx.isCoinbase())
         continue;
 
-      for (let input of tx.inputs) {
-        let prevout = input.prevout;
-
+      for (let {prevout} of tx.inputs) {
         if (filter.test(prevout.toRaw())) {
           txs.push(tx);
           break;