Changes in learning media/methods during the covid-19 pandemic, from face-to-face to online, make lecturers and students have to adapt to the learning process. Many complaints were received in the early days of online lectures related to implementing the teaching-learning process and knowledge transfer. Student's complaints through questionnaires were often due to lecturers who cannot deliver material optimally through online media or learning systems. As a result, the student satisfaction results in the first semester of 2020/2021 were decreased. Therefore, this research aims to improve the performance of lecturers to improve the organization's overall performance. This research was conducted in Z Study Program, X Faculty, Y University, using the Quality control circle (QCC) to improve the study program's performance. The international standard of the education organization management, ISO 21001:2018, is a reference in determining the clause that will be used as an outline in this research. The research was carried out by implementing some clause and gaps analysis of internal quality assurance. By integrating ISO 21001:2018 into the QCC method, there is an increase in lecturer performance of the Z study program as a whole, from 3.22 to 3.41. It shows that the improvement is effective in improving student satisfaction.