diff --git a/sp-modules/roundcube/module.nix b/sp-modules/roundcube/module.nix
index 1fd157d..01b6566 100644
--- a/sp-modules/roundcube/module.nix
+++ b/sp-modules/roundcube/module.nix
@@ -33,7 +33,7 @@ in
     services.nginx.virtualHosts."${cfg.subdomain}.${domain}" = {
       forceSSL = true;
       useACMEHost = domain;
+      enableACME = false;
     };
   };
 }
-