Lines become jagged when crossing a grid line.

Hi,

I'm using a drawing tablet (Huion Kamvas) and when I cross the grid lines slowly with any brush in Photoshop, the line wobbles/becomes jagged.

I've also tried to draw lines with the tablet unplugged and the lines still act the same with mouse.

It's as if the brush is aligning with the gridline for a split second then continuing on the inteded path.

I've attached a screenshot example.

Can anyone assist in resolving this issue?