diff --git a/nixos/modules/services/mastodon/default.nix b/nixos/modules/services/mastodon/default.nix
index 6693a27..8adc487 100755
--- a/nixos/modules/services/mastodon/default.nix
+++ b/nixos/modules/services/mastodon/default.nix
@@ -38,7 +38,7 @@ in {
   services = {
     mastodon = {
       enable = true;
-      localDomain = host;
+      localDomain = web.domains.url3;
       secretKeyBaseFile = "/var/lib/mastodon/secrets/secret-key-base";
       streamingProcesses = 7;
       trustedProxy = localhost;