diff --git a/custom_ui/www/cancelled_payment.html b/custom_ui/www/cancelled_payment.html
index f1a0534..8ada12e 100644
--- a/custom_ui/www/cancelled_payment.html
+++ b/custom_ui/www/cancelled_payment.html
@@ -1 +1,4 @@
+{% extends "templates/web.html" %}
+{% block page_content %}
 <p>Payment cancelled.</p>
+{% endblock %}
diff --git a/custom_ui/www/successful_payment.html b/custom_ui/www/successful_payment.html
index e1006a7..a9e4113 100644
--- a/custom_ui/www/successful_payment.html
+++ b/custom_ui/www/successful_payment.html
@@ -1 +1,4 @@
+{% extends "templates/web.html" %}
+{% block page_content %}
 <p>Thank you for your payment!</p>
+{% endblock %}