diff --git a/pkgs/htdp-pkgs/htdp-test/2htdp/xtest b/pkgs/htdp-pkgs/htdp-test/2htdp/xtest
index 1fc795b6f0..56b643ae02 100755
--- a/pkgs/htdp-pkgs/htdp-test/2htdp/xtest
+++ b/pkgs/htdp-pkgs/htdp-test/2htdp/xtest
@@ -10,6 +10,7 @@ run() {
 
 cd tests 
 
+run random-seed-works.rkt
 run bitmap-as-image-in-universe.rkt
 run key-error.rkt
 run run-movie.rkt