diff --git a/collects/tests/racket/embed-planet-1/has-sub.rkt b/collects/tests/racket/embed-planet-1/has-sub.rkt
new file mode 100644
index 0000000000..e9a5a07112
--- /dev/null
+++ b/collects/tests/racket/embed-planet-1/has-sub.rkt
@@ -0,0 +1,3 @@
+#lang racket/base
+
+(module+ the-sub)