Try not to rotate your shoulders while doing the trick. You are probably doing this unknowingly. Keeo your shoulders parralel to the ollie.

It's all in the shoulders . Look directly at your board while doing the ollie. your shoulders keep them straight towards your board.

I had the same problem look straight down between your toes do this about ten times so it gets second nature to keep knees hib and shoulders parallel

Try keep your shoulders in line with your feet and don't look to the side look forward or down

Gotta keep your shoulders straight. Your body naturally wants to turn