Captcha is being displayed for successfull login attempts as well when brute force mitigation is set

Captcha is being displayed for successfull login attempts as well when brute force mitigation is set in f5 asm

one of my user is logging ina nd logging out 3 times successfully, but when he is tryign to login 4th time, he is given captcha, but brute force is setup for only failed attempts as i understand, can anyone help here ?