Strange problem with Jumptjru/Jump sustain

Ok, the problem is simple but I don't know if there is some bug or some error?

If you jump at the first platform, the Jump sustain works well, in the second one, the jump will be higher and you can jump 2 platform in one jump! I don't know why, I use a very easy example to show where the problem is...

is a construct2 problem? there is any script, so.... that's strange...

https://www.umbriadesign.it/jump_error.capx

I'm not on my PC so I can't check the capx now, but maybe it's the same bug I reported here before;

I think the platform catapults you continue upwards, accelerating you ...

It only happen if you jump through.

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Smaller collider to bottom.

If the collider hits one more plattform, it jumps higher... and higher... and higher, lol infinity jump.