diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index 67f909f0..33bb5a7c 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -98,7 +98,7 @@
                         %small
                           - categories = post.categories.respond_to?(:has_many) ? post.categories.has_many : post.categories.value
                           - categories.each do |c|
-                            - c.read
+                            - c.read if c.respond_to? :read
                             = link_to site_posts_path(@site, category: (c.respond_to?(:uuid) ? c.uuid.value : c)) do
                               %span{ lang: post.lang.value, dir: dir }= (c.respond_to?(:title) ? c.title.value : c)
                             - unless categories.last == c