From b11d1b228216c592bfff70c662dce6b5d8f66f3d Mon Sep 17 00:00:00 2001
From: notmasteryet <async.processingjs@yahoo.com>
Date: Thu, 8 Dec 2011 20:09:19 -0600
Subject: [PATCH] Fix error object wrapper (#914)

---
 src/worker.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/worker.js b/src/worker.js
index 8e4c14fbc..52e631c92 100644
--- a/src/worker.js
+++ b/src/worker.js
@@ -83,8 +83,8 @@ var WorkerMessageHandler = {
       } catch (e) {
         // Turn the error into an obj that can be serialized
         e = {
-          message: e.message,
-          stack: e.stack
+          message: typeof e === 'object' ? e.message : e,
+          stack: typeof e === 'object' ? e.stack : null
         };
         handler.send('page_error', {
           pageNum: pageNum,