diff --git a/kartei/kmein/default.nix b/kartei/kmein/default.nix
index b096e2843..c840019b5 100644
--- a/kartei/kmein/default.nix
+++ b/kartei/kmein/default.nix
@@ -77,6 +77,28 @@ in
         tinc.pubkey_ed25519 = "KhOetVTVLtGxB22NmZhkTWC0Uhg8rXJv4ayZqchSgCN";
       };
     };
+    fatteh = {
+      nets.retiolum = {
+        aliases = [ "fatteh.r" "fatteh.kmein.r" ];
+        ip4.addr = "10.243.2.77";
+        tinc.pubkey = ''
+          -----BEGIN RSA PUBLIC KEY-----
+          MIICCgKCAgEAoK5mMjFxzogpeg5H0pG224gqjknz3/s0iNqGTwsnuscw2HSBDQLi
+          o3J2Py6tD4pdRlLwAEMewwl/vt8/Um90OFkGCnedQXd/06TzxtYSRONYkCeJ7YIk
+          qxaV9w/KpSFmufR0R284KjAnydP5AIzRQH1fZNNLnxEbaoEkh00J5JrEcFncLd8i
+          8y62ZxnMeD4lzdmn2+dSie3z0cDMWGaGmzFB4ejlD6BmRhQ2TttHSuOaskf7UHv9
+          dywNp3Mm2S1TWzQrDOfWal1OOoct+3aTpruYDrOkP375z4wueonIaI+Zpnd3HbyQ
+          MaosPFFMy330KEWtfJgrX8gPoJDryURqZ5Nlt5fdOmy23ztqPiZowFfGeKDbjl3n
+          i/xMDpgASnyFMZRryh5gqp3Fewzx2EkhLd2y3TFtcZVLrFCsR3m7Pg4IerKi1VuI
+          N0ibCWoScWqV4EHJEcLoXe2tLmZa6fReKkbuJce1oLVINZnUtLNCNM0ogTDFe9Fc
+          X7YAl5TmqOI+HnOnWFez+IJyoIExRAHuLwnWvfh1OGIpsTGRL2NXZbUp8Reh3FQ1
+          8oAoMbQf+z/Wi7ftXc7V3h5WEJJ0kiF8wAUAcUAhOeun3bq7VGyX62ckD+FFJpRe
+          FyxedTdfoU2+94Cx5Ah9I970VG8sdl6Byp0tQCAd8GX9IuJoSCCbtWMCAwEAAQ==
+          -----END RSA PUBLIC KEY-----
+        '';
+        tinc.pubkey_ed25519 = "INp2fKLFIjkGnUGhd+J4X2io3MH9T158d6JYZv3pQ/B";
+      };
+    };
     makanek = {
       nets.retiolum = {
         aliases = [