--- a/examples/systemd/vnstat.service	2015-12-01 08:05:12.053856367 +0100
+++ b/examples/systemd/vnstat.service	2015-12-01 08:05:07.967936194 +0100
@@ -4,6 +4,7 @@
 After=network.target
 
 [Service]
+User=vnstat
 ExecStart=/usr/sbin/vnstatd -n
 ExecReload=/bin/kill -HUP $MAINPID