diff --git a/MAVENProject/src/main/java/map/Obstacle.java b/MAVENProject/src/main/java/map/Obstacle.java
index 9e80fc326510ada0fe2e707e258608a3b8e98fd4..9c1ddd5a7c8b54f622e904e57247b83d541d962d 100644
--- a/MAVENProject/src/main/java/map/Obstacle.java
+++ b/MAVENProject/src/main/java/map/Obstacle.java
@@ -6,9 +6,9 @@ import environnement.PositionCollision;
 
 
 
-public class Obstacle {
+public final class Obstacle {
 
-    private HitBox hitbox;
+    private final HitBox hitbox;
 
     public Obstacle(HitBox h){
         this.hitbox = h;