X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/2009fbf211892e7e25a8bf3c2fd934972b86db9a..7e9be4e3962e1cccc43798d0507b2c82cd1d275c:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 6b9fd72b3..b624abcad 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -139,6 +139,8 @@ class Book(models.Model):
 
     SORT_KEY_SEP = '$'
 
+    is_book = True
+
     class AlreadyExists(Exception):
         pass