People Only Mode too sensitive

One of my stick up cam plug ins is 20’ from my furnace exhaust and on people only mode, it picks up the smoke every time it cycles at night. No issue during the day as you can’t see the smoke. I tried the lowest setting on regular mode as well with same result. so I snooze the motion all night kind of defeating the purpose. I can’t move cam as I need to monitor that corner. This is more of a suggestion for improvement as I don’t believe there is any adjustment for this.
Thanks