diff --git a/Makefile b/Makefile
index 9050782..80c46b1 100644
--- a/Makefile
+++ b/Makefile
@@ -31,7 +31,7 @@ t: test
 	cd /usr/include; h2ph -d $(HOME)/perl5/lib/perl5/ -a sys/syscall.h
 
 netsim-shell: .netsim
-	cp scripts/grade .netsim/
+	cp scripts/grade scripts/grade2 .netsim/
 	./scripts/create-net-ns.sh
 
 pat: