diff --git a/module.nix b/module.nix
index 73634bd..e5f8215 100644
--- a/module.nix
+++ b/module.nix
@@ -117,6 +117,8 @@ in
     users.users.mastodon.isSystemUser = lib.mkForce false;
     users.users.mastodon.isNormalUser = lib.mkForce true;
 
+    users.users.noreply.mastodon.group = "email-users";
+    users.groups."email-users" = {};
     users.users."noreply.mastodon".isSystemUser = true;
     selfprivacy.emails."noreply.mastodon" = {
       hashedPasswordFile = secrets.hashedPasswordFile;