diff --git a/public/css/building.css b/public/css/building.css
index 30725db..d3ae2c1 100644
--- a/public/css/building.css
+++ b/public/css/building.css
@@ -505,6 +505,13 @@ body {
   transform: scale(1.1);
 }
 
+#inv-left:disabled,
+#inv-right:disabled {
+  opacity: 0.25;
+  cursor: not-allowed;
+  transform: none;
+}
+
 #inventory-nav {
   display: flex;
   align-items: center;
diff --git a/public/js/buildings/wohnhaus.js b/public/js/buildings/wohnhaus.js
index 12df154..d278b04 100644
--- a/public/js/buildings/wohnhaus.js
+++ b/public/js/buildings/wohnhaus.js
@@ -63,9 +63,16 @@ export async function loadWohnhaus() {
   <button id="inv-right">&#9658;</button>
 </div>`;
 
+  // Variablen zurücksetzen beim Öffnen
+  inventoryPage = 0;
+  totalInventoryPages = 1;
+  inventoryItems = [];
+
+  // Buttons zuerst initialisieren
+  initInventoryButtons();
+
   await loadInventory();
   await loadEquipment();
-  initInventoryButtons();
   initDrag();
   initSlotDrag();
   initDrop();
@@ -143,6 +150,13 @@ function renderInventory() {
   document.getElementById("inventory-page").innerText =
     "Seite " + (inventoryPage + 1) + " / " + totalInventoryPages;
 
+  // Buttons aktivieren/deaktivieren
+  const btnLeft = document.getElementById("inv-left");
+  const btnRight = document.getElementById("inv-right");
+
+  if (btnLeft) btnLeft.disabled = inventoryPage === 0;
+  if (btnRight) btnRight.disabled = inventoryPage >= totalInventoryPages - 1;
+
   initDrag();
 }