diff --git a/modules/nixos/dyndns/default.nix b/modules/nixos/dyndns/default.nix
index ecfd3b9..b6cbcfe 100644
--- a/modules/nixos/dyndns/default.nix
+++ b/modules/nixos/dyndns/default.nix
@@ -18,7 +18,7 @@ in {
     sops.templates."fritzbox-cloudflare-dyndns.env" = {
       owner = "fritzbox-cloudflare-dyndns";
       content = ''
-        DYNDNS_SERVER_BIND=:8000
+        DYNDNS_SERVER_BIND=8000
         DYNDNS_SERVER_USERNAME=${config.sops.placeholder."dyndns/server-username"}
         DYNDNS_SERVER_PASSWORD=${config.sops.placeholder."dyndns/server-password"}
         CLOUDFLARE_API_TOKEN=${config.sops.placeholder.dyndns-cloudflare-api-token}
diff --git a/packages/fritzbox-cloudflare-dyndns/default.nix b/packages/fritzbox-cloudflare-dyndns/default.nix
index 56aa548..dd5d54b 100644
--- a/packages/fritzbox-cloudflare-dyndns/default.nix
+++ b/packages/fritzbox-cloudflare-dyndns/default.nix
@@ -1,6 +1,7 @@
 {
   buildGoModule,
   fetchFromGitHub,
+  fetchpatch,
   ...
 }:
 buildGoModule rec {
@@ -13,4 +14,10 @@ buildGoModule rec {
     sha256 = "sha256-T3YlQdrr+XJ4rlulmSyq9zeIu1iKNjggN+yhGYjvpw4=";
   };
   vendorHash = "sha256-Gsoq+41J3aC43eDFZvqDtw5CaEmkeAKMmqOPttEJdhQ=";
+  patches = [
+    (fetchpatch {
+      url = "https://patch-diff.githubusercontent.com/raw/cromefire/fritzbox-cloudflare-dyndns/pull/29.patch";
+      sha256 = "sha256-gGD8NqDwh/2/Vj+I3DNg8MLI95gAt/dU/EDgfxhUHjQ=";
+    })
+  ];
 }