diff --git a/pkgs/racket-test-core/tests/racket/set.rktl b/pkgs/racket-test-core/tests/racket/set.rktl
index 9206cb0526..67b068ab0b 100644
--- a/pkgs/racket-test-core/tests/racket/set.rktl
+++ b/pkgs/racket-test-core/tests/racket/set.rktl
@@ -632,7 +632,10 @@
         (mutable-set 1)
         (λ (s) (set-remove! s 1))
         #f)
-  (test '((inject 2) (equal-key 2) (equal-key 2))
+  (test (if (eq? 'chez-scheme (system-type 'vm))
+            ;; No secondary hash on Racket CS:
+            '((inject 2) (equal-key 2))
+            '((inject 2) (equal-key 2) (equal-key 2)))
         counting-chaperone
         (set 2)
         (λ (s) (set-member? s 2))