diff --git a/main.py b/main.py
index 3b8b46b..ccce5fc 100644
--- a/main.py
+++ b/main.py
@@ -414,6 +414,7 @@ def main():
     translators_page.content = translators_content
 
     book.add_item(epub.EpubNcx())
+    book.add_item(epub.EpubNav())
 
     suffix = f"-{args.volume}" if args.volume else ""