diff --git a/src/calibre/library/server/ajax.py b/src/calibre/library/server/ajax.py index 29bbef5653..6a594961cd 100644 --- a/src/calibre/library/server/ajax.py +++ b/src/calibre/library/server/ajax.py @@ -372,7 +372,7 @@ class AjaxServer(object): 'count': x.count, 'url': absurl(self.opts.url_prefix, '/ajax/books_in/%s/%s'%( x.category if x.category else toplevel, - x.original_name)), + x.id if x.id is not None else x.original_name)), 'has_children': x.original_name in children, } for x in items]