diff --git a/pkgs/htdp-pkgs/htdp-lib/test-engine/racket-tests.rkt b/pkgs/htdp-pkgs/htdp-lib/test-engine/racket-tests.rkt
index 94b056d831..d50372aa4b 100644
--- a/pkgs/htdp-pkgs/htdp-lib/test-engine/racket-tests.rkt
+++ b/pkgs/htdp-pkgs/htdp-lib/test-engine/racket-tests.rkt
@@ -97,7 +97,8 @@
                                             ['stepper-hide-reduction #t])
                                            #'test-engine))))))))
              'stepper-skipto
-             (append skipto/third ;; let
+             (append skipto/third ;; first let* binding
+                     skipto/third ;; second let* binding
                      skipto/third skipto/second
                      ;; something funny going on here; I can't see how Mike's 
                      ;; fix could ever have worked.  Possibly related: this