diff --git a/frontend/model/Obstacle.ts b/frontend/model/Obstacle.ts
index da11b58..9a64306 100644
--- a/frontend/model/Obstacle.ts
+++ b/frontend/model/Obstacle.ts
@@ -37,17 +37,16 @@ class Obstacle extends Entity implements Collidable {
      */
     public resetPosition(): void {
         this.randomizeHeight();
-
-        this.pipeBottom.position.x = Obstacle.startX;
-        this.pipeTop.position.x = Obstacle.startX;
+        this.pipeBottom.position.x = Obstacle._startX;
+        this.pipeTop.position.x = Obstacle._startX;
     }
 
     /**
      * Randomizes the height of the pipes
      */
     public randomizeHeight(): void {
-        this.pipeTop.height = this.randomRange(this.padding, height - this.padding - Obstacle.distanceBetweenPipes);
-        this.pipeBottom.position.y = this.pipeTop.height + Obstacle.distanceBetweenPipes;
+        this.pipeTop.height = this.randomRange(this.padding, height - this.padding - Obstacle._distanceBetweenPipes);
+        this.pipeBottom.position.y = this.pipeTop.height + Obstacle._distanceBetweenPipes;
         this.pipeBottom.height = height - this.pipeTop.height - this.padding;
     }
 
diff --git a/frontend/model/Raspberry.ts b/frontend/model/Raspberry.ts
index 861055d..36fb3a2 100644
--- a/frontend/model/Raspberry.ts
+++ b/frontend/model/Raspberry.ts
@@ -5,7 +5,7 @@ class Raspberry extends Entity {
     private _image: any;
 
     private static readonly maxVelocity: number = 100;
-    private static readonly POSITION: Position = new Position(width / 6, height / 2);
+    private static POSITION: Position;
     private static readonly WIDTH: number = 180;
     private static readonly HEIGHT: number = 70;
     private static readonly FILL: number = 0;
@@ -33,6 +33,7 @@ class Raspberry extends Entity {
      * Constructs the Raspberry with fixed sizes
      */
     constructor(image: string) {
+        Raspberry.POSITION = new Position(width / 6, height / 2)
         super(Raspberry.POSITION, Raspberry.WIDTH, Raspberry.HEIGHT, Raspberry.FILL);
         this.image = image;
     }