diff --git a/_layouts/default.html b/_layouts/default.html
index bc6b249..eaaff96 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -19,7 +19,7 @@
             <a id="forkme_banner" href="{{ site.github.repository_url }}">View on GitHub</a>
           {% endif %}
 
-          <a href="/"><h1 id="project_title">{{ site.title | default: site.github.repository_name }}</h1></a>
+          <a rel="canonical" href="/"><h1 id="project_title">{{ site.title | default: site.github.repository_name }}</h1></a>
           <h2 id="project_tagline">{{ site.description | default: site.github.project_tagline }}</h2>
 
           {% if site.show_downloads %}