diff --git a/_layouts/post.html b/_layouts/post.html
index bab202f..6f3844a 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -4,7 +4,7 @@ layout: default
 
 <h1>{{ page.title }}</h1>
 <small>{{ page.date | date: "%-d %B %Y" }} by {{ page.author | default: site.author }}
-  {% if page.tags %}
+  {% if page.tags.size > 0 %}
     <br />Tags: <em>{{ page.tags | join: "</em> - <em>" }}</em>
   {% endif %}</small>