diff --git a/src/templates/hardware-exporter.service.j2 b/src/templates/hardware-exporter.service.j2
index 61353bee..abc77667 100644
--- a/src/templates/hardware-exporter.service.j2
+++ b/src/templates/hardware-exporter.service.j2
@@ -3,10 +3,8 @@ Description=HTTP service for prometheus hardware exporter.
 
 [Service]
 User=root
-Environment=PYTHONPATH={{ CHARMDIR }}/venv
-ExecStart=/usr/bin/python3 -m prometheus_hardware_exporter -c {{ CONFIG_FILE }}
+ExecStart={{ CHARMDIR }}/venv/bin/python -m prometheus_hardware_exporter -c {{ CONFIG_FILE }}
 Restart=on-failure
 
 [Install]
 WantedBy=multi-user.target
-