diff --git a/src/main/java/cactusServer/models/CollisionManager.java b/src/main/java/cactusServer/models/CollisionManager.java
index b6234ed..46495a8 100644
--- a/src/main/java/cactusServer/models/CollisionManager.java
+++ b/src/main/java/cactusServer/models/CollisionManager.java
@@ -98,8 +98,8 @@
 
 	public void collisionMove(Player player1, Player player2) {
 		CollisionResult result;
-		result = PhysicsUtility.checkCollision((Object3D) player1.getPlaceable(), null,
-				(Object3D) player2.getPlaceable(), null);
+		result = PhysicsUtility.checkCollision((Object3D) player1.getPlaceable().getBody(), null,
+				(Object3D) player2.getPlaceable().getBody(), null);
 		if (result != null) {
 			System.out.println("�v���C���[���m���Փ�");
 			objMove(result, player1, true);