From 339a34cf22a967296d5cdcebe23b2fb9b8d2bdb3 Mon Sep 17 00:00:00 2001
From: "Ivan.Nginx" <ivan.nginx@gmail.com>
Date: Mon, 31 Jul 2017 19:05:28 +0300
Subject: [PATCH] FIX: post extra class condition.

---
 layout/_macro/post.swig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/layout/_macro/post.swig b/layout/_macro/post.swig
index 3f419729c..baa31d37b 100644
--- a/layout/_macro/post.swig
+++ b/layout/_macro/post.swig
@@ -3,7 +3,9 @@
   {% set headlessPost = Array.prototype.indexOf.call(['quote', 'picture'], post.type) > -1 %}
 
   {% set post_class = 'post post-type-' + post.type | default('normal') %}
-  {% set post_class = post_class + ' ' + post_extra_class | default('') %}
+  {% if post_extra_class > 0 %}
+    {% set post_class = post_class + ' ' + post_extra_class | default('') %}
+  {% endif %}
   {% if post.sticky > 0 %}
     {% set post_class = post_class + ' ' + 'post-sticky' %}
   {% endif %}