diff --git a/nixos/modules/services/web-apps/mastodon.nix b/nixos/modules/services/web-apps/mastodon.nix
index 97831f494d13..8b162f4f15ef 100644
--- a/nixos/modules/services/web-apps/mastodon.nix
+++ b/nixos/modules/services/web-apps/mastodon.nix
@@ -355,6 +355,7 @@ in
               jobClasses = lib.mkOption {
                 type = listOf (enum [
                   "default"
+                  "fasp"
                   "push"
                   "pull"
                   "mailers"