Attach to Actor

I have a simple setup where I’m attaching a blueprint actor to the third person character actor via Attach to Actor. This works just fine so long as I disable collision on the attached actor’s Pawn channel (if I don’t the player cannot move while it’s attached).

The issue I’m having is the attached actor (a simple cube in this case) can pass through static meshes in the world. It’s as though all of the attached actor’s collision is disabled by the Attach to Actor node.

The behavior I’m looking for is once the player has the cube attached it collides with everything static in the world. Currently the pair of attached actors is only using the player’s collision capsule.

Any ideas?