diff --git a/_includes/media-url.html b/_includes/media-url.html
index ea4107502..407d42187 100644
--- a/_includes/media-url.html
+++ b/_includes/media-url.html
@@ -15,7 +15,9 @@
{%- if url -%}
{% unless url contains ':' %}
{%- comment -%} Add media resources subpath prefix {%- endcomment -%}
- {% assign url = include.subpath | default: '' | append: '/' | append: url %}
+ {% if include.subpath %}
+ {% assign url = include.subpath | append: '/' | append: url %}
+ {% endif %}
{%- comment -%} Prepend CND URL {%- endcomment -%}
{% if site.cdn %}