diff --git a/config/main.py b/config/main.py
index 4f3aeb6bb3..36c13348e2 100755
--- a/config/main.py
+++ b/config/main.py
@@ -750,6 +750,10 @@ def _restart_services(config_db):
 
     execute_systemctl(services_to_restart, SYSTEMCTL_ACTION_RESTART)
 
+    # Reload Monit configuration to pick up new hostname in case it changed
+    click.echo("Reloading Monit configuration ...")
+    clicommon.run_command("sudo monit reload")
+
 
 def interface_is_in_vlan(vlan_member_table, interface_name):
     """ Check if an interface  is in a vlan """
@@ -1233,6 +1237,11 @@ def hostname(new_hostname):
     except SystemExit as e:
         click.echo("Restarting hostname-config  service failed with error {}".format(e))
         raise
+
+    # Reload Monit configuration to pick up new hostname in case it changed
+    click.echo("Reloading Monit configuration ...")
+    clicommon.run_command("sudo monit reload")
+
     click.echo("Please note loaded setting will be lost after system reboot. To preserve setting, run `config save`.")
 
 #
diff --git a/tests/config_test.py b/tests/config_test.py
index 023f41337a..4fc6b87626 100644
--- a/tests/config_test.py
+++ b/tests/config_test.py
@@ -43,6 +43,7 @@
 Executing restart of service hostcfgd...
 Executing restart of service nat...
 Executing restart of service telemetry...
+Reloading Monit configuration ...
 Please note setting loaded from minigraph will be lost after system reboot. To preserve setting, run `config save`.
 """