diff --git a/_includes/post_detail.html b/_includes/post_detail.html
index e09501f..c134ed1 100644
--- a/_includes/post_detail.html
+++ b/_includes/post_detail.html
@@ -1,3 +1,5 @@
+{% assign page = post %}
+
 <h1 class="entry-title">
 {% if page.title %}
     <a href="{{ root_url }}{{ page.url }}">{{ page.title }}</a>