I played with compare and subtract mode with the comparator outputed from a hopper with 1 item inside. But almost every time I switch the comparator to compare mode, it powers off.

How to reproduce:

What you need: 1 hopper, 1 redstone comparator, and 1 block/item of your choice.

1. Place the and the hopper and comparator, as shown in the screenshot.

2. Place the item/block of your choice in the hopper (Or drop the item in the hopper).

3. Spam-click the button at the front of the comparator. First, you keep spamming the button that switches the comparator between compare and subtract mode, until the 2 back torches of the comparator turn off. If they do turn off, then the comparator turned off. It's hard to see the comparator turn off and on. That's because the comparator only turns off for 1 tick.

Please fix this glitch.