Midi sync issue

[mixsoupe]

I use the ALO looper in Modep, on a Raspberry PI 4B and a Pisound sound card.
I'm trying to record loops using midi sync, but I'm having a sync problem.
The midi clock comes from an external sequencer which is connected to the midi input of the Pisound card.
On the sequencer I have a BPM of 120, but in Modep I have a BPM of 120.05.
The click of the ALO looper remains in sync with that of the sequencer, despite this slight difference.
On the other hand, as soon as I record in the looper, the recording starts to drift after a few bars.
Do you know how to fix this?