diff --git a/layout/common/thumbnail.ejs b/layout/common/thumbnail.ejs
index 7b8905b..71a8416 100644
--- a/layout/common/thumbnail.ejs
+++ b/layout/common/thumbnail.ejs
@@ -1,8 +1,8 @@
 <a href="<%- url_for((post.link ? post.link : post.path)) %>" class="thumbnail">
     <% var thumbnailUrl = thumbnail(post) %>
     <% if (thumbnailUrl) { %>
-        <span style="background-image:url(<%- url_for(thumbnailUrl) %>)" alt="<%= post.title %>" class="thumbnail-image"></span>
+        <span style="background-image:url(<%= thumbnailUrl %>)" alt="<%= post.title %>" class="thumbnail-image"></span>
     <% } else { %>
         <span class="thumbnail-image thumbnail-none"></span>
     <% } %>
-</a>
\ No newline at end of file
+</a>