In the L2 Motivational Self System (L2MSS) motivation is conceptualized to be generated by discomfort associated with the learner's experience of a discrepancy between their current L2 self, and their ideal L2 self. However, in the L2MSS model, this discrepancy is not operationalized. A questionnaire containing measures of current L2 selves was administered to two cohorts of students learning English in Sweden, one in grade 7, and one in grade 9. Using structural equation modeling, results revealed that the discrepancy between the ideal L2 self and the current L2 self was greater for the grade 7 cohort. So too was the impact on a criterion variable measuring intended effort. Arguments for the operationalization of the self-discrepancy process in research designs are put forward. In studies tracking changes over time, it is suggested that the inclusion of a variable measuring the current L2 self could provide important insights into self-discrepancy trajectories, facilitate the investigation of motivational dynamics, and bring greater sensitivity to intervention-design.