Index: src/libs/zbxnix/daemon.c
--- src/libs/zbxnix/daemon.c.orig
+++ src/libs/zbxnix/daemon.c
@@ -266,7 +266,7 @@ int	zbx_daemon_start(int allow_root, const char *user,
 	if (0 == allow_root && 0 == getuid())	/* running as root? */
 	{
 		if (NULL == user)
-			user = "zabbix";
+			user = "_zabbix";
 
 		pwd = getpwnam(user);