diff --git a/pkgs/racket-test-core/tests/racket/date.rktl b/pkgs/racket-test-core/tests/racket/date.rktl
index 3e9896a1ea..5acc49889f 100644
--- a/pkgs/racket-test-core/tests/racket/date.rktl
+++ b/pkgs/racket-test-core/tests/racket/date.rktl
@@ -120,9 +120,10 @@
   (test 789/1000 - (date*->seconds d) (date->seconds d)))
 
 ;; Check some overflow handling on Windows:
-(let ([out-of-range (lambda (exn) (regexp-match? #rx"out-of-range" (exn-message exn)))])
-  (err/rt-test (seconds->date (expt 2 40)) out-of-range)
-  (err/rt-test (seconds->date (expt 2 50)) out-of-range)
-  (err/rt-test (seconds->date (expt 2 60)) out-of-range))
+(when (eq? (system-type) 'windows)
+  (let ([out-of-range (lambda (exn) (regexp-match? #rx"out-of-range" (exn-message exn)))])
+    (err/rt-test (seconds->date (expt 2 40)) out-of-range)
+    (err/rt-test (seconds->date (expt 2 50)) out-of-range)
+    (err/rt-test (seconds->date (expt 2 60)) out-of-range)))
 
 (report-errs)