height fog not working on rift

my project uses a height fog connected to the player character, this works perfectly on the vive hmd but the rift hmd causes the fog to overtake the players vision at certain angles and on certain maps, how do I stop this from happening?

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks