diff --git a/lib/TransactionDb.js b/lib/TransactionDb.js
index 0725e71..c2f2d78 100644
--- a/lib/TransactionDb.js
+++ b/lib/TransactionDb.js
@@ -562,6 +562,8 @@ TransactionDb.prototype.fillScriptPubKey = function(txouts, cb) {
   var self = this;
   // Complete utxo info
   async.eachLimit(txouts, CONCURRENCY, function(txout, a_c) {
+    if (txout.scriptPubKeyCached) return a_c();
+
     self.fromIdInfoSimple(txout.txid, function(err, info) {
       if (!info || !info.vout) return a_c(err);