diff --git a/collects/tests/typed-racket/tr-random-testing.rkt b/collects/tests/typed-racket/tr-random-testing.rkt
index 3e9628cccf..5d2c52950f 100644
--- a/collects/tests/typed-racket/tr-random-testing.rkt
+++ b/collects/tests/typed-racket/tr-random-testing.rkt
@@ -259,6 +259,7 @@
 
 (random-seed seed)
 (printf "seed: ~s~n" seed)
+(flush-output) ; DrDr doesn't print the above if the testing segfaults.
 
 (call-with-limits
  #f 1000