From 2c65a908780d5e05a03d0a3ebf80b8edc90b6271 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 15 Nov 2009 09:57:57 -0700
Subject: [PATCH] Fix #4022 (Incorrect Rating in Bulk)

---
 src/calibre/ebooks/metadata/fetch.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/ebooks/metadata/fetch.py b/src/calibre/ebooks/metadata/fetch.py
index 0b6753fd1b..5b11ea6b91 100644
--- a/src/calibre/ebooks/metadata/fetch.py
+++ b/src/calibre/ebooks/metadata/fetch.py
@@ -191,7 +191,7 @@ def get_social_metadata(mi, verbose=0):
                 comments.add(dmi.comments)
     if ratings:
         rating = sum(ratings)/float(len(ratings))
-        if mi.rating is None:
+        if mi.rating is None or mi.rating == 0:
             mi.rating = rating
         else:
             mi.rating = (mi.rating + rating)/2.0