diff --git a/_includes/header.liquid b/_includes/header.liquid
index d07fc98..7129e76 100644
--- a/_includes/header.liquid
+++ b/_includes/header.liquid
@@ -87,7 +87,10 @@
                       {% if child.title == 'divider' %}
                         <div class="dropdown-divider"></div>
                       {% else %}
-                        <a class="dropdown-item {% if page.title == child.title %}active{% endif %}" href="{{ child.permalink | relative_url }}">
+                        <a
+                          class="dropdown-item {% if page.title == child.title %}active{% endif %}"
+                          href="{% if child.permalink contains '://' %}{{ child.permalink }}{% else %}{{ child.permalink | relative_url }}{% endif %}"
+                        >
                           {{- child.title -}}
                         </a>
                       {% endif %}
@@ -97,7 +100,13 @@
               {% else %}
                 {% assign parent_link = p.permalink | remove: 'index.html' %}
                 <li class="nav-item {% if page.url contains parent_link %}active{% endif %}">
-                  {% if p.permalink contains '/blog/' %}{% assign url = '/blog/' %} {% else %}{% assign url = p.url %}{% endif %}
+                  {%- if p.permalink contains '://' -%}
+                    {%- assign url = p.permalink -%}
+                  {%- elsif p.permalink contains '/blog/' -%}
+                    {%- assign url = '/blog/' -%}
+                  {%- else -%}
+                    {%- assign url = p['url-'] %}
+                  {%- endif %}
                   <a class="nav-link" href="{{ url | relative_url }}">
                     {{- p.title }}
                     {% if page.url contains p.url %}