diff --git a/flake.nix b/flake.nix
index 2139ced..47f6f05 100644
--- a/flake.nix
+++ b/flake.nix
@@ -73,6 +73,15 @@
                     "Password of the caldav calendar, NOT RECOMMENDED, use passwordFile instead !";
                 };
               };
+              server = {
+                port = lib.mkOption {
+                  type = lib.types.str;
+                  default = 8000;
+                  example = "6000";
+                  description =
+                    "Port of the server, that will need to be reverse proxied into";
+                };
+              };
             };
           };
           # config = lib.mkOption {