diff --git a/src/calibre/ebooks/mobi/reader.py b/src/calibre/ebooks/mobi/reader.py
index 1c434c9472..bfbe8f5ae5 100644
--- a/src/calibre/ebooks/mobi/reader.py
+++ b/src/calibre/ebooks/mobi/reader.py
@@ -311,7 +311,7 @@ class MobiReader(object):
                 filepos = attrib.pop('filepos')
                 try:
                     attrib['href'] = "#filepos%d" % int(filepos)
-                except ValueError:
+                except:
                     attrib['href'] = filepos
             if tag.tag == 'img':
                 recindex = None