diff --git a/README.md b/README.md
index 2ca38e9..c8d3b5b 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,8 @@ A Raspberry PI connected to local network can do the job of serving the password
 # copy the files
 cp password.py /opt/
 cp password.service /etc/systemd/system/
+chmod +x /opt/password.py
+chmod +x /etc/systemd/system/password.service
 
 # Install the depentencies
 apt update