Comparison between two different GIANO-B ms1d spectral orders, before (navy) and after (red) Molecfit correction. The left panel refers to the 34^th spectral order, where the correction is successful. The right panel refers to the 41^st spectral order, where correction does not work properly as telluric lines are saturated in this wavelength region. We did not consider the 41^st spectral order and similar ones in our analyses and discarded them.