diff --git a/web_dev/sas_web/sas_web/urls.py b/web_dev/sas_web/sas_web/urls.py
index 3992b6d..3e221bb 100644
--- a/web_dev/sas_web/sas_web/urls.py
+++ b/web_dev/sas_web/sas_web/urls.py
@@ -18,6 +18,8 @@ from django.contrib import admin
 from django.conf.urls.static import static
 from django.conf import settings
 
+from .views import error_404
+
 urlpatterns = static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
 
 urlpatterns += [
@@ -28,5 +30,7 @@ urlpatterns += [
                                 namespace='datenbank')),
     url(r'^admin/', include(admin.site.urls)),
     url(r'^captcha/', include('captcha.urls')),
-    url(r'^', include('startpage.urls', namespace='startpage', app_name='startpage'))
+    url(r'^', include('startpage.urls', namespace='startpage', app_name='startpage')),
 ]
+
+handler404 = error_404
diff --git a/web_dev/sas_web/sas_web/views.py b/web_dev/sas_web/sas_web/views.py
new file mode 100644
index 0000000..2059189
--- /dev/null
+++ b/web_dev/sas_web/sas_web/views.py
@@ -0,0 +1,6 @@
+from django.template.loader import render_to_string
+from django.http import HttpResponseNotFound
+
+
+def error_404(request):
+    return HttpResponseNotFound(render_to_string('404.html'))
diff --git a/web_dev/sas_web/templates/404.html b/web_dev/sas_web/templates/404.html
new file mode 100644
index 0000000..39c4b36
--- /dev/null
+++ b/web_dev/sas_web/templates/404.html
@@ -0,0 +1,6 @@
+{% extends "public/default.html" %}
+
+{% block content %}
+<h1>Huch? Wo willst du denn hin?</h1>
+<p><a href="{% url "startpage:index" %}">Hier</a> geht es zurück zur Startseite.</p>
+{% endblock %}