Customize RTMedia plugin / lightbox does not work for videos in activity feed

Hello,
I have installed RTMedia plugin and Transcoder,
It works fine, but in Buddypress activity feed videos are not displayed in lightbox.
Itworks fine into media page too.

Activity feed url: https://thingy2.kerketi.com/billiephillpot/
Media page url: https://thingy2.kerketi.com/billiephillpot/media/

See also screens as attachements.