diff --git a/_includes/header.html b/_includes/header.html
index ea6c55d..5649280 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -109,6 +109,7 @@
                  <li><a href="https://github.com/minetest">GitHub ↗</a></li>
                  <li><a href="//dev.minetest.net">Developer wiki ↗</a></li>
                  <li><a href="//dev.minetest.net/Category:Methods">API ↗</a></li>
+                 <li><a href="//doxy.minetest.net">Engine internals (Doxygen) ↗</a></li>
                  <li><a href="https://forum.minetest.net/viewforum.php?f=18">News ↗</a></li>
                </ul>
              </li>