diff --git a/binder/templates/404.html b/binder/templates/404.html
new file mode 100644
index 0000000..c5bbfb6
--- /dev/null
+++ b/binder/templates/404.html
@@ -0,0 +1,7 @@
+{% extends "base.html" %}
+
+{% block pageheader %}Page not found{% endblock pageheader %}
+
+{% block body %}
+<p>We're sorry, but the requested page could not be found.</p>
+{% endblock %}