From 4836d17783abbb8647576a748a165887052c5cf9 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 10 Mar 2014 08:25:40 +0530
Subject: [PATCH] Fix #1290097 ["epub" without toc
 crashes](https://bugs.launchpad.net/calibre/+bug/1290097)

---
 src/calibre/ebooks/oeb/polish/toc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/ebooks/oeb/polish/toc.py b/src/calibre/ebooks/oeb/polish/toc.py
index 98d5e534fc..ac87b7ae66 100644
--- a/src/calibre/ebooks/oeb/polish/toc.py
+++ b/src/calibre/ebooks/oeb/polish/toc.py
@@ -182,7 +182,7 @@ def find_existing_toc(container):
 
 def get_toc(container, verify_destinations=True):
     toc = find_existing_toc(container)
-    if toc is None:
+    if toc is None or not container.has_name(toc):
         ans = TOC()
         ans.lang = ans.uid = None
         return ans