zabbix proxy sqlite / db upgrade 2.0 => 2.2 not working

Upgrade from 2.0.10 to 2.2.2.
Zabbix Server (PosgreSQL) went ok

Zabbix Proxy (SQLite) went ko

29381:20140605:140040.434 query [txnlev:0] [select 1 from sqlite_master where tbl_name='dbversion' and type='table']
29381:20140605:140040.435 The proxy does not match Zabbix database. Current database version (mandatory/optional): UNKNOWN. Required mandatory version: 02020000.
29381:20140605:140040.437 End of DBcheck_version():FAIL
29490:20140605:140238.156 Starting Zabbix Proxy (active) [zabbix-proxy-mlb-prod-2y.sup]. Zabbix 2.2.2 (revision 42525).

but no luck.