CHEOPS light curves of HD 108236 during the expected transit time of a potential planet g (marked with the yellow triangle). These light curves correspond to observations 1, 9, and 15 in Table 3 (top-to-bottom). Light and dark blue dots represent the detrended and 10 min bins photometric points. No significant statistical evidence of a transit signal with ~10.9 d period is found in these photometric time series.