Running Pod (and trainer) calibration

I can set my treadmill speed with a step of 0.2 km/h i.e 10.4 - 10.6 - 10.8 - 11 - 11.2 km/h and so on…
But zwift pod calibration protocol would offer me only 0.5km/h steps i.e 10.5 - 11 - 11.5 km/h
Wish i could be proposed 10.4 - 11 - 11.6 or 10.6 - 11 - 11.4 in order to match my treadmill speeds when calibrating my pod