encoding problem retreving from DB

Hi all,
In our OTRS-3.0 system, the bosses wanted some extra states, so they entered them through the SysAdmin interface… in Spanish, with special characters. Then they asked me to made a modification in AgentTicketZoom that it would show a special box if the state was a specific one, something like an alert. I added these lines to the module and it worked ok:

            $SpecialState = $Self->{StateObject}->StateLookup(
                State => 'pendiente de aprobación',
            );
The file was in UTF-8 without BOM encoding .

Now I’m testing to upgrade the system to OTRS-3.1.5 and I’ve found that the same line fails in the new system:
             [Error][Kernel::System::State::StateLookup][585] No State for pendiente de aprobación found!
It’s obviously an encoding problem.
And it works if a change AgentTicketZoom.pm encoding to ANSI!

Where may be the problem? I think the DB is working in UTF-8

Kind regards,
Juan Clavero Almirón

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