diff --git a/racket/src/cs/Makefile b/racket/src/cs/Makefile
index f1a6072d45..2cf11a1dfd 100644
--- a/racket/src/cs/Makefile
+++ b/racket/src/cs/Makefile
@@ -56,7 +56,7 @@ all:
 	$(MAKE) rktl
 	$(MAKE) $(BUILDDIR)racket.so
 
-expander-demo: $(BUILDDIR)expander.so demo/expander.ss
+expander-demo: $(BUILDDIR)expander.so demo/expander.ss ../../bin/racket
 	$(SCHEME) $(EXPANDER_DEPS) $(BUILDDIR)expander.so demo/expander.ss
 
 run: $(BUILDDIR)main.so ../../bin/racket