diff --git a/72d6a2a3kc.js b/72d6a2a3kc.js
index badc1f2..0bbf6ce 100644
--- a/72d6a2a3kc.js
+++ b/72d6a2a3kc.js
@@ -367,7 +367,7 @@ this.enemies = this.enemies.reduce(
 				}
 				
 				enemy.mesh.materials[0].opacity -= 0.005;
-				enemy.mesh.materials[0].updateInstance();
+				enemy.mesh.materials[0].updateInstance('opacity');
 				
 			}