diff --git a/website/modify_build.rb b/website/modify_build.rb
index e82a1c3..2abaac0 100644
--- a/website/modify_build.rb
+++ b/website/modify_build.rb
@@ -231,7 +231,7 @@ class ModifyBuild
   # this for the top level menu entries though.
   def fix_anchor_hyperlinks_menu(text)
     doc = build_doc(text)
-    top_level_menus = doc.css(".menu-items > span > a")
+    top_level_menus = doc.css(".menu-items > span.chapterToc > a")
     top_level_menus.each do |el|
       link = el.attribute("href").value
       splitted = link.split("#")