diff --git a/_includes/base_path b/_includes/base_path
index 8c7dc62b..36826c4f 100644
--- a/_includes/base_path
+++ b/_includes/base_path
@@ -1 +1,5 @@
-{% capture base_path %}{{ site.url }}{{ site.baseurl }}{% endcapture %}
\ No newline at end of file
+{% if site.url %}
+  {% assign base_path = site.url | append: site.baseurl %}
+{% else %}
+  {% assign base_path = site.github.url %}
+{% endif %}
\ No newline at end of file