diff --git a/src/app/core/components/background/background.ts b/src/app/core/components/background/background.ts
index 66a566b..a3d0263 100644
--- a/src/app/core/components/background/background.ts
+++ b/src/app/core/components/background/background.ts
@@ -81,6 +81,12 @@ export class Background {
         star.y += star.vy;
       }
 
+      // Bildschirm-Ränder
+      if (star.x < 0) star.x = this.width;
+      if (star.x > this.width) star.x = 0;
+      if (star.y < 0) star.y = document.body.scrollHeight;
+      if (star.y > document.body.scrollHeight) star.y = 0;
+
       // Stern zeichnen mit Scroll-Parallax
       ctx.beginPath();
       ctx.arc(star.x, star.y - this.scrollY * this.parallaxFactor, star.radius, 0, Math.PI * 2);