diff --git a/hosts/www/nginx.nix b/hosts/www/nginx.nix
index c84f18c..f957fdd 100644
--- a/hosts/www/nginx.nix
+++ b/hosts/www/nginx.nix
@@ -78,7 +78,7 @@ in
           '';
         };
         "/all.ics" = {
-          return = "301 https://www.berlin.ccc.de/calendars/all.ics";
+          return = "301 https://www.${config.networking.domain}/calendars/all.ics";
         };
         "~ ^/calendars/([^/]+\.ics)$" = {
           alias = "/srv/http/calendars/$1";
@@ -97,11 +97,26 @@ in
       kTLS = true;
       forceSSL = true;
       enableACME = true;
-      locations."/" = {
-        basicAuthFile = config.age.secrets.www-staging-htpasswd.path;
-        root = "/srv/http/www-staging";
-        index = "index.html";
-        tryFiles = "$uri $uri/ $uri.html =404";
+      locations = {
+        "/" = {
+          basicAuthFile = config.age.secrets.www-staging-htpasswd.path;
+          root = "/srv/http/www-staging";
+          index = "index.html";
+          tryFiles = "$uri $uri/ $uri.html =404";
+        };
+        "/all.ics" = {
+          return = "301 https://staging.${config.networking.domain}/calendars/all.ics";
+        };
+        "~ ^/calendars/([^/]+\.ics)$" = {
+          alias = "/srv/http/calendars/$1";
+          extraConfig = ''
+            add_header Cache-Control "no-cache";
+            types {
+              text/calendar ics;
+            }
+            default_type text/calendar;
+          '';
+        };
       };
     };
   };