diff --git a/main.py b/main.py
index 4c643ff..e801a77 100644
--- a/main.py
+++ b/main.py
@@ -12,6 +12,7 @@ import asyncio
 from aiomqtt import Client
 from dbus_next.aio import MessageBus
 from dbus_next.service import ServiceInterface, method
+from dbus_next.constants import BusType
 from dbus_next import Variant
 
 
@@ -183,7 +184,7 @@ async def fetch_mqtt():
 
 async def main():
     global bus
-    bus = await MessageBus().connect()
+    bus = await MessageBus(bus_type=BusType.SYSTEM).connect()
 
     logging.info('')
     logging.info('==========================')