Unions don't look correct

[devin_is2real (devin realest)]

So I am trying to make a leg, and I am trying to make the leg rounded like this:

But as you can see here, this happens:

Anyone know how to fix this?

The size and position (except for y position) is the same, so I believe it is something with the mesh

It is made up of a sphere and a cylinder

[Razinox]

This is the issue you are experiencing, at a lower resultion:

Check if your orientations line up.