This study aimed to reveal the errors of students in speaking performance and the cause of the errors. This study used a descriptive qualitative design— ten students of 10 MIA 7 taken as the sample of this study through purposive sampling technique. The data are gathering through students’ speaking performance from classroom observation. To analyze the data, the researcher transcribed the students’ speaking performance to find out the errors and analyzed by the steps of qualitative analysis. The finding of this study showed the errors of fluency that students produced were hesitations, pauses, filler, and repetitions. while the source of errors was inhibition, limited vocabulary for delivering ideas, and student tended to hesitate and fragmentary while giving their ideas.

Keywords : Error, Speaking Performance, EFL Students