From 74711d725293f554a4cd48f49bf9d97cb70acc5b Mon Sep 17 00:00:00 2001
From: Felix Hammerl <felix@whiteout.io>
Date: Thu, 5 Dec 2013 19:29:41 +0100
Subject: [PATCH] fix: do not do delta 4 if delta4 is empty

---
 src/js/dao/email-dao.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/js/dao/email-dao.js b/src/js/dao/email-dao.js
index 8281894..e000a3b 100644
--- a/src/js/dao/email-dao.js
+++ b/src/js/dao/email-dao.js
@@ -403,6 +403,7 @@ define(function(require) {
                     // no delta, we're done here
                     if (_.isEmpty(delta4)) {
                         doDeltaF2();
+                        return;
                     }
 
                     var after = _.after(delta4.length, function() {