Adding collision points for a Paper2D character

I have a Paper2D character inside of my game and by default, the collider on it (its Character Blueprint) is just the inherited capsule component - however, I’d like to also add a collider for its feet and yet I cannot. I simply added a capsule collider to the character:

and set it to Generate Overlap Events and set the collision preset as Pawn (just as the capsule was set). The component hierarchy is as easy as:


…and yet it doesn’t work. The floor I have in my scene simply ignores the sphere, the character falls through all the way up to the waist and only stops at the default, middle capsule. Why? How do I fix it?