Setting alarm to mute while in duties via macro doesn't mute at all

[duckling]

Date & Time: 12/07/2024 1:49AM
Frequency: 5/5
World name: Atomos
Character name: Dice F'zil
Steps:
1. Open the macros screen and input the following macro:

/alarm "B-Bark-Hhusta3120-06" et rp 0600 1 sound00 mute

2. Enter a trial when nearing the time input in the macro (you can input any time just make sure you are inside a trial when the alarm goes off)
3. Notice that the alarm sound is ON while inside the duty despite setting "mute"