Suexec upload php group change to wheel

[AgusP]

Dear sir,
sorry for my bad english. after upgrade my plesk to version 9.3 i found problem on file group owner upload via web. On php apache module file owner change to www:wheel, and on php fastcgi file owner become to be ftpuser:wheel.

i have ready cek on httpd.conf and all httpd.include vhost nothing wrong with config

plesk930# grep ^Group /usr/local/etc/apache2/httpd.conf
Group www
plesk930# grep ^User /usr/local/etc/apache2/httpd.conf
User www

httpd.include
SuexecUserGroup ftpuser psacln

plesk930# ps awux | grep httpd
www 51693 4.1 3.3 97128 67760 ?? SJ 1:32AM 0:08.21 /usr/local/sbin/httpd
www 51704 3.5 3.4 99980 70588 ?? SJ 1:32AM 0:04.61 /usr/local/sbin/httpd
www 51977 1.9 3.1 93516 63944 ?? SJ 1:36AM 0:00.32 /usr/local/sbin/httpd
www 51862 0.9 3.3 96916 67520 ?? SJ 1:34AM 0:05.32 /usr/local/sbin/httpd
www 51791 0.4 3.1 93764 64224 ?? SJ 1:33AM 0:01.24 /usr/local/sbin/httpd
www 51982 0.1 3.1 93756 63992 ?? SJ 1:36AM 0:00.14 /usr/local/sbin/httpd
root 19131 0.0 3.1 93300 63712 ?? SsJ 1:09AM 0:08.03 /usr/local/sbin/httpd
www 19586 0.0 3.0 91592 61880 ?? SJ 1:09AM 0:00.09 /usr/local/sbin/httpd
www 51691 0.0 3.1 93536 63960 ?? SJ 1:32AM 0:01.23 /usr/local/sbin/httpd
www 51702 0.0 3.3 96912 67524 ?? SJ 1:32AM 0:16.47 /usr/local/sbin/httpd
www 51703 0.0 3.1 93644 64260 ?? SJ 1:32AM 0:04.27 /usr/local/sbin/httpd
www 51816 0.0 3.1 93800 64384 ?? SJ 1:33AM 0:07.74 /usr/local/sbin/httpd
www 51849 0.0 3.1 93800 64188 ?? SJ 1:34AM 0:01.12 /usr/local/sbin/httpd
www 51860 0.0 3.6 103788 74404 ?? SJ 1:34AM 0:06.43 /usr/local/sbin/httpd
www 51861 0.0 3.3 96896 67504 ?? SJ 1:34AM 0:10.74 /usr/local/sbin/httpd
www 51978 0.0 3.1 93368 63768 ?? SJ 1:36AM 0:00.02 /usr/local/sbin/httpd
www 51979 0.0 3.1 93368 63768 ?? SJ 1:36AM 0:00.02 /usr/local/sbin/httpd
www 51980 0.0 3.1 93368 63768 ?? SJ 1:36AM 0:00.02 /usr/local/sbin/httpd
www 51981 0.0 3.1 93380 63776 ?? SJ 1:36AM 0:00.02 /usr/local/sbin/httpd
www 51990 0.0 3.1 93380 63772 ?? SJ 1:36AM 0:00.01 /usr/local/sbin/httpd

plesk930# id www
uid=80(www) gid=80(www) groups=80(www),2522(psaserv)

plesk930# md5 /usr/local/psa/bin/psa-suexec
MD5 (/usr/local/psa/bin/psa-suexec) = 06f8458f1ddbb02dd7c28b932d66dd55
plesk930# md5 /usr/local/sbin/suexec
MD5 (/usr/local/sbin/suexec) = 06f8458f1ddbb02dd7c28b932d66dd55

how to fix file owner back to wwwsacln or ftpusersacln on upload via web.

My system
FreeBSD 6.2-STABLE + Plesk 9.3.0

Thanks.