X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/69f571a82cd469f4e923517066b850ce716511f6..ac05eb781dae22cef8d2d08f5b039e18b3274344:/src/catalogue/feeds.py

diff --git a/src/catalogue/feeds.py b/src/catalogue/feeds.py
index 2a65c592b..0b7e4d474 100644
--- a/src/catalogue/feeds.py
+++ b/src/catalogue/feeds.py
@@ -52,8 +52,7 @@ class AudiobookFeed(Feed):
         return item.name
 
     def item_categories(self, item):
-        return sorted(set(author.name for author in
-                      item.book.tags.filter(category='author').iterator()))
+        return sorted(item.book.authors().values_list('name', flat=True))
 
     def item_description(self, item):
         lines = []