diff --git a/lib/torrent.js b/lib/torrent.js
index d4841989..ef541eab 100644
--- a/lib/torrent.js
+++ b/lib/torrent.js
@@ -565,7 +565,7 @@ class Torrent extends EventEmitter {
           if (this.destroyed) return cb(new Error('torrent is destroyed'))
 
           if (hash === this._hashes[index]) {
-            if (!this.pieces[index]) return
+            if (!this.pieces[index]) return cb(null)
             this._debug('piece verified %s', index)
             this._markVerified(index)
           } else {