diff --git a/2d/light_mask/engine.cfg b/2d/light_mask/engine.cfg
index 0e9389f8..8b0ae6f6 100644
--- a/2d/light_mask/engine.cfg
+++ b/2d/light_mask/engine.cfg
@@ -2,3 +2,7 @@
 
 name="Using Lights As Mask"
 main_scene="res://lightmask.scn"
+
+[rasterizer]
+
+shadow_filter=3