This research pertained to personal goals during retirement and especially to the influence of tenacity and flexibility on measures of psychological well-being. The participants (N = 147) had been retired for less than three years and were aged between 49 and 75 years (M = 58 years). The participants had to identify four personal goals and rate each of them along 15 dimensions. Psychological well-being was evaluated with scales of depression, self-esteem and life satisfaction. Regression analyses showed that flexibility in the presence of obstacles to the realization of goals accounts for 44 per cent of the variance in depression, 29 per cent of life satisfaction and 25 per cent of self-esteem. Tenacity had a more modest impact. Flexibility seems to be the strategy which is most useful in facing difficulties in the pursuit of goals during retirement.