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-rw-r--r--lib/util.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/util.py b/lib/util.py
index 4a884af..4693ef1 100644
--- a/lib/util.py
+++ b/lib/util.py
@@ -119,7 +119,7 @@ def generate_rss(base_url, book, books, static=False):
track_list.append(track)
else:
# we have populated and unique track values, use those
- key = lambda x: books[book]['files'][x]['track']
+ key = lambda x: int(books[book]['files'][x]['track'])
# populate XML attribute values required by Apple podcasts
for idx, f in enumerate(sorted(books[book]['files'], key=key)):