Despite providing strong indication that there is a dispositional source of job satisfaction, past research has not fully addressed the cardinal questions of how--or what--dispositions influence job satisfaction. This study suggests that self-deception may serve as an important psychological variable that partly explicates the dispositional source of job satisfaction. Using three sources of data obtained from a sample of university employees, our results indicated that employees who tend to engage in self-deception indeed experienced more satisfaction in their lives and with their jobs. Results also suggested that the relationship between subjective wellbeing and job satisfaction is reciprocal. All these findings were observed in a model including a significant link from affective disposition to subjective well-being. The results suggest that dispositional variables such as self-deception are important explanations of the dispositional source of job satisfaction.