Make sure you have the flight set to use the profile origin as the anchor point.
Then adjust you complex profile so the origin is above the actual profile by the distance you want.
If that doesn't work then I am not sure there is any other adjustment.
Barry.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10