diff --git a/core/templates/core/404.jinja b/core/templates/core/404.jinja
index a777cea6..3846ed70 100644
--- a/core/templates/core/404.jinja
+++ b/core/templates/core/404.jinja
@@ -4,6 +4,9 @@
 
 <div id="page">
 	<h3>{% trans %}404, Not Found{% endtrans %}</h3>
+	<p class="alert alert-red">
+		{{ exception }}
+	</p>
 </div>
 
 {% endblock %}