diff --git a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
index 22378cf0eb..ab20e29e18 100644
--- a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
+++ b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
@@ -35,6 +35,7 @@ s6100/systemd/s6100-ssd-upgrade-status.service etc/systemd/system
 s6100/systemd/s6100-reboot-cause.service etc/systemd/system
 s6100/systemd/s6100-platform-startup.service etc/systemd/system
 s6100/scripts/s6100_serial_getty_monitor etc/monit/conf.d
+s6100/scripts/check-getty.sh usr/local/bin
 common/fw-updater usr/local/bin
 common/onie_mode_set usr/local/bin
 common/onie_version usr/local/bin
diff --git a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/check-getty.sh b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/check-getty.sh
new file mode 100755
index 0000000000..9c6412eddf
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/check-getty.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+RETRY=0
+while [ $RETRY -lt 5 ]; do
+    let RETRY=$RETRY+1
+
+    /bin/systemctl --quiet is-active serial-getty@ttyS1.service
+    status=$?
+    if [ $status == 0 ]; then
+        exit 0
+    fi
+
+    # when serial-getty not running, recheck later, beause systemd will restart serial-getty automatically.
+    sleep 1
+done
+
+exit 1
\ No newline at end of file
diff --git a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor
index 1b5d0c90db..f57ae36790 100644
--- a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor
+++ b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor
@@ -1,4 +1,5 @@
 #Dell S6100 serial getty monitor
-check process serial-getty matching "ttyS"
+check program serial-getty with path /usr/local/bin/check-getty.sh
 start program = "/bin/systemctl start serial-getty@ttyS1.service"
 stop program = "/bin/systemctl stop serial-getty@ttyS1.service"
+if status != 0 then restart
\ No newline at end of file