diff --git a/pkgs/gui-pkgs/gui-test/tests/gracket/gl-refresh.rkt b/pkgs/gui-pkgs/gui-test/tests/gracket/gl-refresh.rkt
index c44c20bd..adb2a57e 100644
--- a/pkgs/gui-pkgs/gui-test/tests/gracket/gl-refresh.rkt
+++ b/pkgs/gui-pkgs/gui-test/tests/gracket/gl-refresh.rkt
@@ -19,3 +19,5 @@
 (new message% [parent f] [label "so check that it's not too often."])
 (new button% [parent f] [label "Refresh"] [callback (lambda (b e) (send c refresh))])
 (send f show #t)
+
+(module test racket/base)