How do I disable the Draw's TextBox border blinking?

I’m using LibreOffice
build: f3153a8b245191196a4b6b9abd1d0da16eead600
language: en_US
OS: windows 7 SP1, 32bit, english.

So, in Draw, when I select a TextBox that’s already in the document (I mean, not when I click the button in the toolbar), the border blinks… like it’s a big cursor.
I’ve just upgraded from an older version of LibreOffice, so I don’t know if this “effect” shows somewhere else.

I’ve disabled animated text and graphics in the Options->Accessibility dialog, but the border is still blinking.

Is there an option somewhere to stop the blinking?
It’s not a problem for me to edit files (like registry/main.xdc) or even hexedit.
I know that as a last resort I could scavenge inside the source code, change it and rebuild LO, but it’s not exactly quick.

Thanks for any suggestions.