--- a/doc/etc/pgagroal.service
+++ b/doc/etc/pgagroal.service
@@ -11,7 +11,7 @@ After=network.target
 
 [Service]
 Type=exec
-User=pgagroal
+User=postgres
 ExecStart=/usr/bin/pgagroal
 ExecReload=/bin/kill -HUP $MAINPID
 KillSignal=SIGINT
