diff --git a/index.js b/index.js
index a27bbcc..b59d19b 100644
--- a/index.js
+++ b/index.js
@@ -44,6 +44,7 @@ exports.pack = function pack (cwd, opts) {
   }
 
   function onstat (err, filename, stat) {
+    if (pack.destroyed) return
     if (err) return pack.destroy(err)
     if (!filename) {
       if (opts.finalize !== false) pack.finalize()