From a9a4d8b1907ec78f41e752ea6cf2727c9e66495a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 30 May 2017 08:57:42 +0530
Subject: [PATCH] Fix an error rendering books with svg images

---
 src/calibre/srv/render_book.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/srv/render_book.py b/src/calibre/srv/render_book.py
index e5fe1d9095..e6f31c9843 100644
--- a/src/calibre/srv/render_book.py
+++ b/src/calibre/srv/render_book.py
@@ -355,7 +355,7 @@ class Container(ContainerBase):
                     changed.add(name)
             elif mt == 'image/svg+xml':
                 self.virtualized_names.add(name)
-                changed = False
+                changed.add(name)
                 xlink = XLINK('href')
                 for elem in xlink_xpath(self.parsed(name)):
                     elem.set(xlink, link_replacer(name, elem.get(xlink)))