diff --git a/debian/control b/debian/control
index 845c73bf71..abe2dbee42 100644
--- a/debian/control
+++ b/debian/control
@@ -14,5 +14,5 @@ Description: SONiC Management Framework
 Package: sonic-host-service
 Priority: extra
 Architecture: amd64
-Depends: python-dbus, python-gobject, ${shlibs:Depends}, ${misc:Depends}
+Depends: python-dbus, python-gobject, python-systemd, ${shlibs:Depends}, ${misc:Depends}
 Description: SONiC Host Service
diff --git a/scripts/host_modules/ztp.py b/scripts/host_modules/ztp.py
index 87d69b4f02..5bcf84dd50 100644
--- a/scripts/host_modules/ztp.py
+++ b/scripts/host_modules/ztp.py
@@ -14,7 +14,7 @@ def _run_command(commands):
         cmd = ['/usr/bin/ztp']
         if isinstance(commands, list):
             cmd.extend(commands)
-        else
+        else:
             cmd.append(commands)
 
         try:
@@ -28,15 +28,15 @@ def _run_command(commands):
 
     @host_service.method(host_service.bus_name(MOD_NAME), in_signature='', out_signature='')
     def enable(self):
-        _run_command("enable")
+        self._run_command("enable")
 
     @host_service.method(host_service.bus_name(MOD_NAME), in_signature='', out_signature='')
     def disable(self):
-        _run_command(["disable", "-y"])
+        self._run_command(["disable", "-y"])
 
     @host_service.method(host_service.bus_name(MOD_NAME), in_signature='', out_signature='is')
     def status(self):
-        return _run_command("status")
+        return self._run_command("status")
 
 def register():
     """Return the class name"""