diff --git a/_includes/header.html b/_includes/header.html
index d1e1f65b..ce20a052 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -10,7 +10,7 @@ <h1 class="site-title">
       {% if page.url contains link.url %}
         {% assign current = 'class="current"' %}
       {% endif %}
-    <a href="{{ link.url | prepend: site.baseurl }}" {{ current }} {% if link.desc %} title="{{ link.desc }}" {% endif %}>{{ link.title }}</a>
+    <a href="{{ link.url | relative_url }}" {{ current }} {% if link.desc %} title="{{ link.desc }}" {% endif %}>{{ link.title }}</a>
     {% endfor %}
   </nav>