diff --git a/air_monitor.service b/air_monitor.service
index 2c58cdb..19aafe6 100644
--- a/air_monitor.service
+++ b/air_monitor.service
@@ -4,7 +4,7 @@ After=syslog.target
 
 [Service]
 WorkingDirectory=/opt/air_monitor
-ExecStart=/opt/air_monitor/venv/bin/python run.py
+ExecStart=/opt/air_monitor/venv/bin/python main.py
 TimeoutStartSec=5
 User=nobody
 Group=nobody