diff --git a/hosts/marvin/services/mail-archiver.nix b/hosts/marvin/services/mail-archiver.nix
index 6c3d2fb1..3c4f49f8 100644
--- a/hosts/marvin/services/mail-archiver.nix
+++ b/hosts/marvin/services/mail-archiver.nix
@@ -104,7 +104,7 @@ in
       ProtectSystem = true;
       RestrictNamespaces = true;
       RestrictRealtime = true;
-      RestrictSUIDGUID = true;
+      RestrictSUIDSGID = true;
     };
   };