diff --git a/_includes/_author-bio.html b/_includes/_author-bio.html
index ffbb8c9b..3378a352 100644
--- a/_includes/_author-bio.html
+++ b/_includes/_author-bio.html
@@ -1,4 +1,10 @@
-
+{% if site.owner.avatar contains 'http://' %}
+
+{% elsif site.owner.avatar contains 'https://' %}
+
+{% else %}
+
+{% endif %}
{{ site.owner.bio }}
{% if site.owner.twitter %} Twitter{% endif %}