diff --git a/_includes/author-profile.html b/_includes/author-profile.html
index 5d89339b..db9d4fe4 100644
--- a/_includes/author-profile.html
+++ b/_includes/author-profile.html
@@ -4,13 +4,15 @@
-
- {% if author.avatar contains "://" %}
-
- {% else %}
-
- {% endif %}
-
+ {% if author.avatar %}
+
+ {% if author.avatar contains "://" %}
+
+ {% else %}
+
+ {% endif %}
+
+ {% endif %}
{{ author.name }}
diff --git a/assets/images/bio-photo.jpg b/assets/images/bio-photo.jpg
deleted file mode 100644
index 00084517..00000000
Binary files a/assets/images/bio-photo.jpg and /dev/null differ
diff --git a/example/assets/images/bio-photo.jpg b/example/assets/images/bio-photo.jpg
old mode 100755
new mode 100644