diff --git a/migrate/chaindb2to3.js b/migrate/chaindb2to3.js
index 9794050a..ca1cb5bb 100644
--- a/migrate/chaindb2to3.js
+++ b/migrate/chaindb2to3.js
@@ -543,5 +543,6 @@ function bpair(prefix, hash, index) {
   console.log('Migration complete.');
   process.exit(0);
 })().catch((err) => {
-  throw err;
+  console.error(err.stack);
+  process.exit(1);
 });