diff --git a/src/calibre/ebooks/mobi/writer.py b/src/calibre/ebooks/mobi/writer.py index 89ef9fcd82..fc47b26c02 100644 --- a/src/calibre/ebooks/mobi/writer.py +++ b/src/calibre/ebooks/mobi/writer.py @@ -310,7 +310,7 @@ class Serializer(object): if href not in id_offsets: self.logger.warn('Hyperlink target %r not found' % href) href, _ = urldefrag(href) - else: + if href in self.id_offsets: ioff = self.id_offsets[href] for hoff in hoffs: buffer.seek(hoff)