diff --git a/implementations/racket/preserves/preserves-schema/methods.rkt b/implementations/racket/preserves/preserves-schema/methods.rkt
index d84b52f..cd64ae8 100644
--- a/implementations/racket/preserves/preserves-schema/methods.rkt
+++ b/implementations/racket/preserves/preserves-schema/methods.rkt
@@ -27,6 +27,7 @@
                       (for/hash [((k v) (in-hash preservable))]
                         (values (*->preserve k) (*->preserve v))))])
   #:defaults ([float? (define (->preserve preservable) preservable)]
+              [embedded? (define (->preserve preservable) preservable)]
               [record?
                (define/generic *->preserve ->preserve)
                (define (->preserve preservable)