diff --git a/hosts/containers/c3d2-web/default.nix b/hosts/containers/c3d2-web/default.nix
index 2a8de657..aa54730f 100644
--- a/hosts/containers/c3d2-web/default.nix
+++ b/hosts/containers/c3d2-web/default.nix
@@ -39,7 +39,6 @@ in
           "cccdd.de" "www.cccdd.de"
           "dresden.ccc.de" "www.dresden.ccc.de"
           "netzbiotop.org" "www.netzbiotop.org"
-          "netzbiotop.org" "www.netzbiotop.org"
         ];
         enableACME = true;
         forceSSL = true;