diff --git a/build/proxy/nginx.conf b/build/proxy/nginx.conf
index e258490..568853e 100644
--- a/build/proxy/nginx.conf
+++ b/build/proxy/nginx.conf
@@ -45,6 +45,13 @@ http {
 		location /auditorium/ {
 			try_files $uri $uri/ /auditorium/index.html;
 		}
+
+		error_page 404 /404.html;
+		location = /404.html {
+			internal;
+			root /www/data;
+			add_header X-Robots-Tag "noindex, nofollow, nosnippet, noarchive" always;
+		}
 	}
 }
 
diff --git a/homepage/content/pages/404.md b/homepage/content/pages/404.md
index 5abceb5..5b0ceb5 100644
--- a/homepage/content/pages/404.md
+++ b/homepage/content/pages/404.md
@@ -1,7 +1,7 @@
 Title: Page not found | offen
 description: offen is a free and open source analytics software for websites and web applications that allows respectful handling of data.
-save_as: 404/index.html
-href: /404/
+save_as: 404.html
+href: /404.html
 
 
 ![Page not Found](/theme/images/content-404.webp){:class="image-text-560-315"}
diff --git a/homepage/pelicanconf.py b/homepage/pelicanconf.py
index 2008b43..ffa8816 100644
--- a/homepage/pelicanconf.py
+++ b/homepage/pelicanconf.py
@@ -1,3 +1,5 @@
+from datetime import datetime
+from calendar import month_name
 # If your site is available via HTTPS, make sure SITEURL begins with https://
 RELATIVE_URLS = False
 
@@ -7,6 +9,8 @@ PATH = 'content'
 TIMEZONE = 'Europe/Berlin'
 DEFAULT_LANG = 'en'
 
+BUILD_DATE = '{} {}'.format(month_name[datetime.today().month], datetime.today().year)
+
 # Feed generation is usually not desired when developing
 FEED_ALL_ATOM = None
 CATEGORY_FEED_ATOM = None
diff --git a/homepage/theme/templates/base.html b/homepage/theme/templates/base.html
index 1cd4b3b..18854a4 100644
--- a/homepage/theme/templates/base.html
+++ b/homepage/theme/templates/base.html
@@ -134,7 +134,7 @@
         </p>
       </div>
       <div class="footer-card">
-        October 2019
+        {{ BUILD_DATE }}
       </div>
     </div>
   </div>