Issues with Geometry>Pointiness and Subdivision Modifier

When I’m using a Geometry>Pointiness node without a subdivision modifier, I can get it to look like this, which is what I want:

However, when I add a Subdivision Modifier, this happens:

So, how do I get the Geometry>Pointiness node to look like the first image, but with the subdivision modifier of the second image?

With hope,

see this

happy bl