diff --git a/vorschau/js/app.js b/vorschau/js/app.js
index 14c5b4b..97a3977 100644
--- a/vorschau/js/app.js
+++ b/vorschau/js/app.js
@@ -64,7 +64,14 @@
         if (heroDots[oldIndex]) heroDots[oldIndex].classList.remove('active');
 
         var vc = document.getElementById('hero-video-container');
-        if (vc) vc.classList.toggle('hidden', index !== 0);
+        if (vc) {
+            vc.classList.toggle('hidden', index !== 0);
+            var vid = vc.querySelector('video');
+            if (vid) {
+                if (index === 0) vid.play();
+                else vid.pause();
+            }
+        }
 
         setTimeout(function () {
             heroSlides[oldIndex].classList.remove('exiting');