===================================================================
--- original.js
+++ change.js
@@ -112,9 +112,9 @@
 		plate.move();
 		if (plate instanceof OverhangPlate && (plate.x < -plate.width / 2 || plate.x > 2048 + plate.width / 2 || plate.y > 2732 + plate.height / 2)) {
 			plate.destroy();
 		}
-		if (plate instanceof Plate && plate.x < -plate.width / 2) {
+		if (plate instanceof Brick && plate.x < -plate.width / 2) {
 			LK.showGameOver();
 		}
 	}
 	if (plateContainer.y !== plateContainer.targetY) {