diff --git a/ldapcherry/__init__.py b/ldapcherry/__init__.py
index 1c5bee2..fc99f5c 100644
--- a/ldapcherry/__init__.py
+++ b/ldapcherry/__init__.py
@@ -359,7 +359,7 @@ class LdapCherry(object):
             )
         # load each template
         self.temp = {}
-        for t in ('index.tmpl', 'error.tmpl', 'login.tmpl',
+        for t in ('index.tmpl', 'error.tmpl', 'login.tmpl', '404.tmpl',
                   'searchadmin.tmpl', 'searchuser.tmpl', 'adduser.tmpl',
                   'roles.tmpl', 'groups.tmpl', 'form.tmpl', 'selfmodify.tmpl',
                   'modify.tmpl', 'service_unavailable.tmpl'
@@ -1066,6 +1066,17 @@ class LdapCherry(object):
             notifications=self._empty_notification(),
             )
 
+    @cherrypy.expose
+    @exception_decorator
+    def default(self, attr=''):
+        cherrypy.response.status = 404
+        self._check_auth(must_admin=False)
+        is_admin = self._check_admin()
+        return self.temp['404.tmpl'].render(
+            is_admin=is_admin,
+            notifications=self._empty_notification(),
+            )
+
     @cherrypy.expose
     @exception_decorator
     def selfmodify(self, **params):
diff --git a/resources/templates/404.tmpl b/resources/templates/404.tmpl
new file mode 100644
index 0000000..b54ed26
--- /dev/null
+++ b/resources/templates/404.tmpl
@@ -0,0 +1,7 @@
+## -*- coding: utf-8 -*-
+<%inherit file="navbar.tmpl"/>
+<%block name="core">
+<div class="alert alert-warning alert-dismissible" role="alert">
+  <strong>404 Page not found,</strong> URL not available
+</div>
+</%block>