diff --git a/lib/bcoin/tx-pool.js b/lib/bcoin/tx-pool.js
index a4b11fa8..8f303063 100644
--- a/lib/bcoin/tx-pool.js
+++ b/lib/bcoin/tx-pool.js
@@ -135,8 +135,10 @@ TXPool.prototype.add = function add(tx, noWrite) {
     }
 
     delete this._orphans[key];
-    if (!orphans)
+    if (!orphans) {
       this._unspent[key] = { tx: tx, index: i };
+      updated = true;
+    }
   }
 
   this._lastTs = Math.max(tx.ts, this._lastTs);