diff --git a/scenes/objective.tscn b/scenes/objective.tscn
index b2cc1e8..2b7c582 100644
--- a/scenes/objective.tscn
+++ b/scenes/objective.tscn
@@ -25,7 +25,7 @@ height = 14.0
 input_ray_pickable = true
 input_capture_on_drag = false
 collision_layer = 1
-collision_mask = 1
+collision_mask = 2
 mode = 0
 mass = 1000.0
 friction = 1.0
diff --git a/scenes/wall.tscn b/scenes/wall.tscn
index 9200360..bce9a68 100644
--- a/scenes/wall.tscn
+++ b/scenes/wall.tscn
@@ -16,7 +16,7 @@ extents = Vector3( 1, 1, 0.1 )
 input_ray_pickable = true
 input_capture_on_drag = false
 collision_layer = 1
-collision_mask = 1
+collision_mask = 2
 friction = 1.0
 bounce = 0.0
 constant_linear_velocity = Vector3( 0, 0, 0 )