A large body of literature shows that first-generation immigrants born in developing countries face a significantly higher likelihood of being overeducated than natives. However, when it comes to assessing their descendants' overeducation, evidence is remarkably scarce. Therefore, using granular employer-employee data for Belgium over the period 1999-2016 and generalized ordered logit regressions, we investigate the intergenerational relationship between overeducation and origin among tertiary-educated workers. We find that immigrant overeducation disappears across two generations, except for workers originating from the Maghreb. However, immigrant overeducation appears to be a persistent intergenerational issue within the cohort of part-time female and male workers.