diff --git a/_includes/author-profile.html b/_includes/author-profile.html
index 3e2cf863..e256ec7d 100644
--- a/_includes/author-profile.html
+++ b/_includes/author-profile.html
@@ -34,7 +34,7 @@
       {% if author.links %}
         {% for link in author.links %}
           {% if link.label and link.url %}
-            <li><a href="{{ link.url }}" rel="nofollow noopener noreferrer me"><i class="{{ link.icon | default: 'fas fa-link' }}" aria-hidden="true"></i><span class="label">{{ link.label }}</span></a></li>
+            <li><a href="{{ link.url }}" rel="nofollow noopener noreferrer me"{% if link.url contains 'http' %} itemprop="sameAs"{% endif %}><i class="{{ link.icon | default: 'fas fa-link' }}" aria-hidden="true"></i><span class="label">{{ link.label }}</span></a></li>
           {% endif %}
         {% endfor %}
       {% endif %}
@@ -243,4 +243,4 @@
       {% include author-profile-custom-links.html %}
     </ul>
   </div>
-</div>
\ No newline at end of file
+</div>