diff --git a/_includes/featured_posts.html b/_includes/featured_posts.html
index c6707b49f..8b673a21f 100644
--- a/_includes/featured_posts.html
+++ b/_includes/featured_posts.html
@@ -40,7 +40,7 @@ <h3 class="cell">
         </svg>
         {% when "shape3" %}
         <svg class="bg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 650 410" preserveAspectRatio="none">
-          <polygon points="0 0 350 0 300 0 400 0 850 500 0 950"/>
+          <polygon points="0,0 400,0 850,500 0,950"/>
         </svg>
         {% when "shape4" %}
         <svg class="bg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 650 410" preserveAspectRatio="none">