diff --git a/scene/demo07_collision/collision.tscn b/scene/demo07_collision/collision.tscn
index 0f8586c..ee602d5 100644
--- a/scene/demo07_collision/collision.tscn
+++ b/scene/demo07_collision/collision.tscn
@@ -45,6 +45,7 @@ extents = Vector2( 30.17, 29.3458 )
 
 [node name="StaticBody2D" type="StaticBody2D" parent="."]
 position = Vector2( 64.5824, 547.095 )
+collision_layer = 2
 
 [node name="Polygon2D" type="Polygon2D" parent="StaticBody2D"]
 color = Color( 0.329412, 0.580392, 0.270588, 1 )