diff --git a/systems/x86_64-linux/marvin/services/anubis.nix b/systems/x86_64-linux/marvin/services/anubis.nix
index aceb838d..5809ca98 100644
--- a/systems/x86_64-linux/marvin/services/anubis.nix
+++ b/systems/x86_64-linux/marvin/services/anubis.nix
@@ -10,7 +10,7 @@
       settings = {
         BIND_NETWORK = "tcp";
         SERVE_ROBOTS_TXT = true;
-        COOKIE_DOMAIN = "pyrox.dev";
+        COOKIE_DOMAIN = ".pyrox.dev";
         ED25519_PRIVATE_KEY_HEX_FILE = config.age.secrets.anubis-key.path;
         OG_PASSTHROUGH = true;
         OG_CACHE_CONSIDER_HOST = true;