diff --git a/src/game/darkness.rs b/src/game/darkness.rs
index d0ed28b..3f7767e 100644
--- a/src/game/darkness.rs
+++ b/src/game/darkness.rs
@@ -333,7 +333,7 @@ fn get_light_geometry(
         offset_cast(
             aabb.center(),
             (point - aabb.center()).normalize_or_zero(),
-            aabb.size().max_element(),
+            aabb.half_size().max_element() * 1.4142135623730951,
             true,
             filter,
             ANGLE_OFFSET,