diff --git a/util/vm/build.py b/util/vm/build.py
index 153a159..beeb9fc 100755
--- a/util/vm/build.py
+++ b/util/vm/build.py
@@ -16,7 +16,7 @@ Basic idea:
     -> install Mininet
 
     test
-    -> make codecheck
+    -> sudo mn --test pingall
     -> make test
 
     release