Look At Rotation Gimbal Lock

So essentially, I’m using convert mouse location to world space, tracing to a plane attached to my camera, and using that to rotate my pawn (Spaceship) towards the hit location.

This all works fine, until the pitch hits +/-90 degrees, at which point gimbal lock kicks in. The Camera’s attached to the actor without using a spring arm etc, so that’s not the culprit.

Any idea how to solve this?