diff --git a/templates/common-head.html b/templates/common-head.html
index 4fb9e8e..5e65daf 100644
--- a/templates/common-head.html
+++ b/templates/common-head.html
@@ -14,7 +14,7 @@
{{ title }}
- {% if skip_header == False %}
+ {% if not skip_header %}