Ethermine with Ethminer

Hello guys,
I’m mining in ethermine pool for about 48 hours. The problem is because sometimes (about 5x) my miner keep showing a lower hashrate (less than the normal) but isn’t mining in ethermine. I don’t know why it’s keep happening. Please help me guys, I wan’t to mine afk

It’s known bug ethminer v0.13 - need downgrade or upgrade miner