diff --git a/crates/skate-game/src/skate_world.rs b/crates/skate-game/src/skate_world.rs
index 0afa8451..0a0ab379 100644
--- a/crates/skate-game/src/skate_world.rs
+++ b/crates/skate-game/src/skate_world.rs
@@ -473,7 +473,9 @@ fn retail_collision_world(
                 local_to_world: RetailAffineTransform::IDENTITY,
                 world_to_local: RetailAffineTransform::IDENTITY,
                 local_bounds: bounds,
-                matching_group: i32::from(group),
+                // Native static registration uses matchingID -1; the unit group
+                // only splits clusters and must not filter actor queries.
+                matching_group: -1,
                 pool: QueryPool::Ground,
             });
         }