diff --git a/monitor/setup/setup.sh b/monitor/setup/setup.sh
index 91c140f..ec94b20 100644
--- a/monitor/setup/setup.sh
+++ b/monitor/setup/setup.sh
@@ -120,6 +120,10 @@ sudo /root/monitor/setup/serverlite.sh
 #
 #*************install p7zip-full**************
 sudo apt install p7zip-full
+# Disable ttyS0
+systemctl stop serial-getty@ttyS0.service
+systemctl daemon-reload
+systemctl disable serial-getty@ttyS0.service
 #
 sudo apt-get -y update
 #