[Dovecot] Virtual Plugin

I activated Dovecot's Virtual Plugin in my configuration and created dovecot-virtual file with the following content:

[quote] # ~/Maildir/virtual/Flagged/dovecot-virtual * flagged [quote]

When I flag some messages these messages automatically appears inside my Virtual Folder called "Flagged", but once inside this folder , when I "Unflag" the message, It doesn't disapear from my virtual folder. Is this expected?

I'm using dovecot12-1.2.5-2.1 on a Opensuse 11.1

I hope you understand my brazilian english :)

Thanks