diff --git a/convert.sh b/convert.sh
index ca5b83b..2fc8fe3 100755
--- a/convert.sh
+++ b/convert.sh
@@ -16,7 +16,7 @@ cp ebook.md /tmp/
 sed -i "s/{REVISION_DATE}/`date +'%Y-%m-%d'`/g" /tmp/ebook.md
 
 pandoc /tmp/ebook.md \
-	-s \
+	-s --toc --toc-depth=3 \
 	-o $ebook
 status=$?