diff --git a/nixos/mirai/configuration.nix b/nixos/mirai/configuration.nix
index 2a6df6b6..5b7bce47 100644
--- a/nixos/mirai/configuration.nix
+++ b/nixos/mirai/configuration.nix
@@ -49,7 +49,7 @@
     gc = {
       automatic = true;
       dates = "daily";
-      options = "--delete-older-than +5";
+      options = "--delete-older-than 5d";
     };
     package = pkgs.nixVersions.latest;
     distributedBuilds = true;
diff --git a/nixos/mirai/services/gitea.nix b/nixos/mirai/services/gitea.nix
index 3e2d223f..c43a4580 100644
--- a/nixos/mirai/services/gitea.nix
+++ b/nixos/mirai/services/gitea.nix
@@ -4,11 +4,13 @@
       enable = true;
       settings = {
         service = {
-          DISABLE_REGISTRATION = false;
+          # DISABLE_REGISTRATION = false;
           ENABLE_REVERSE_PROXY_AUTHENTICATION = true;
-          REVERSE_PROXY_AUTHENTICATION_USER = "REMOTE-USER";
           ENABLE_REVERSE_PROXY_AUTO_REGISTRATION = true;
         };
+        security = {
+          REVERSE_PROXY_AUTHENTICATION_USER = "REMOTE-USER";
+        };
       };
     };
     caddy = {