Run away zone serial ?

After ods-signer sign 1.168.192.in-addr.arpa following appears in logfile:

Jan 15 09:43:25 opendnssec ods-signerd: cmdhandler: zone 1.168.192.in-addr.arpa scheduled for immediate re-sign
Jan 15 09:43:25 opendnssec ods-signerd: cannot update domain: serial 2930244825 should be larger than domain internal serial 0
Jan 15 09:43:25 opendnssec ods-signerd: unable to update zonedata to serial 2930244825: serial too small
Jan 15 09:43:25 opendnssec ods-signerd: task [zone 96.138.193.in-addr.arpa|update] failed

unsigned/1.168.192.in-addr.arpa looks like:

$TTL 3600 ; 1 hour
@ IN SOA opendnssec.local. hostmaster.local. (
2011011400
16384
3600
2419199
3600
)
;
@ NS ns1.local.
@ NS ns2.local.
;
0 PTR 1.168.192.local.
1 PTR 1.1.168.192.local.
16 PTR centos.local.
17 PTR users.local.

signed/1.168.192.in-addr.arpa has following soa:

96.138.193.in-addr.arpa. 3600 IN SOA opendnssec.local. hostmaster.local. 2011010810 16384 3600 2419199 3600

Other zones are working w/o problems.

version is opendnssec-1.2.0rc3