diff --git a/_layouts/default.html b/_layouts/default.html
index ae10b2b..16072eb 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -10,6 +10,7 @@
     <meta name="theme-color" content="#157878">
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
     <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
+    <link rel="canonical" href="{{ page.url | absolute_url }}" />
     {% include head-custom.html %}
   </head>
   <body>
