diff --git a/public/js/quickmenu/events.js b/public/js/quickmenu/events.js
index de18dd1..6424138 100644
--- a/public/js/quickmenu/events.js
+++ b/public/js/quickmenu/events.js
@@ -145,11 +145,13 @@ export async function loadEvents() {
   /* ── Booster Zustand ── */
   let allCards      = [];
   let isSpinning    = false;
-  let spinIntervals = [];
+  let spinIntervals = {};   // { index: intervalId }
+  let slotLocked    = {};   // { index: true }  → verhindert Überschreiben nach reveal
 
   function clearAllIntervals() {
-    spinIntervals.forEach(id => clearInterval(id));
-    spinIntervals = [];
+    Object.values(spinIntervals).forEach(id => clearInterval(id));
+    spinIntervals = {};
+    slotLocked    = {};
   }
 
   async function preloadCards() {
@@ -183,12 +185,13 @@ export async function loadEvents() {
 
   /* ── Slot drehen – 350ms, damit man die Karten erkennt ── */
   function startSpinSlot(index) {
+    slotLocked[index] = false;
     const slot  = body.querySelector(`#booster-slot-${index}`);
     const inner = slot.querySelector(".booster-slot-inner");
     slot.classList.add("spinning");
 
     const iv = setInterval(() => {
-      if (!allCards.length) return;
+      if (!allCards.length || slotLocked[index]) return;
       const rnd = allCards[Math.floor(Math.random() * allCards.length)];
       inner.innerHTML = cardHTML(rnd, true);
     }, 350);
@@ -196,14 +199,17 @@ export async function loadEvents() {
     spinIntervals[index] = iv;
   }
 
-  /* ── Slot enthüllen ── */
+  /* ── Slot enthüllen – Sperre setzen BEVOR clearInterval ── */
   function revealSlot(index, card) {
-    clearInterval(spinIntervals[index]);
+    slotLocked[index] = true;          // zuerst sperren
+    clearInterval(spinIntervals[index]); // dann stoppen
+    delete spinIntervals[index];
+
     const slot  = body.querySelector(`#booster-slot-${index}`);
     const inner = slot.querySelector(".booster-slot-inner");
     slot.classList.remove("spinning");
     slot.classList.add("revealed");
-    inner.innerHTML = cardHTML(card, true);
+    inner.innerHTML = cardHTML(card, true); // finale Karte setzen
   }
 
   /* ── Stapel klicken ── */