diff --git a/src/static/js/app.js b/src/static/js/app.js
index 8d6df9d..2d4168b 100644
--- a/src/static/js/app.js
+++ b/src/static/js/app.js
@@ -652,14 +652,13 @@ const App = {
             UI.hideProgress();
         }
 
-        // Scroll blockieren waehrend Rendering + GridStack-Resize
+        // Scroll auf 0 erzwingen waehrend Rendering + GridStack-Resize
         var mc = document.getElementById("main-content");
-        mc.style.overflow = "hidden";
+        var lockScroll = () => { mc.scrollTop = 0; };
+        mc.addEventListener("scroll", lockScroll);
         mc.scrollTop = 0;
         await this.loadIncidentDetail(id);
-        mc.scrollTop = 0;
-        // overflow erst nach allen GridStack-Resizes freigeben (doppeltes rAF + Timeout)
-        setTimeout(() => { mc.scrollTop = 0; mc.style.overflow = ""; }, 300);
+        setTimeout(() => { mc.removeEventListener("scroll", lockScroll); mc.scrollTop = 0; }, 500);
     },
 
     async loadIncidentDetail(id) {