OBS don't capture the pointer of my pen but the pointer of my mouse is captured normally.

[Entendiendolafísica]

Hello everybody, I do videos for youtobe, for this work I use a Genius MousePen i608 Graphics Tablet, on Xournal++, version 1.1.1 (software) like board for write. Now, when I capture the screen in a video using OBS Studio, version 27.2.4 (for ubuntu, linux) the pointer of my mous apear normally but the pointer of my pen (of grafics tablet) is'not captured on the videos. On the Xournal apears normally but on the videos captured with OBS don't apear. Somebady can help me? I need that pointer can show on the videos.