diff --git a/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/unit-tests/typecheck-tests.rkt b/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/unit-tests/typecheck-tests.rkt
index 991e9a49a0..5b2e1c3baa 100644
--- a/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/unit-tests/typecheck-tests.rkt
+++ b/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/unit-tests/typecheck-tests.rkt
@@ -3121,7 +3121,7 @@
           (define y (for/fold: ((x : String null)) ((v : String null)) x))
           y)
         #:ret (ret -String)
-        #:msg "expected: String.*given: Null"]
+        #:msg #rx"expected: String.*given: (Null|'\\(\\))"]
         )
 
   (test-suite