diff --git a/readme.md b/readme.md
index 7193f9f..c7b9256 100644
--- a/readme.md
+++ b/readme.md
@@ -49,6 +49,7 @@ It works automatically on Windows, Linux and MacOs without any user interaction
sudo mv -f ~/HackPi/rc.local /etc/
Make sure it is executable after moving it to /etc
+ sudo chmod +x /etc/rc.local