diff --git a/public/js/buildings/wohnhaus.js b/public/js/buildings/wohnhaus.js
index 580f85c..5988d5c 100644
--- a/public/js/buildings/wohnhaus.js
+++ b/public/js/buildings/wohnhaus.js
@@ -139,7 +139,7 @@ async function loadInventory() {
 ================================ */
 
 function initDrag() {
-  document.querySelectorAll(".inventory-slot").forEach((item) => {
+  document.querySelectorAll(".inventory-slot:not(.empty)").forEach((item) => {
     item.addEventListener("dragstart", (e) => {
       e.dataTransfer.setData("itemId", item.dataset.id);
       e.dataTransfer.setData("itemLevel", item.dataset.level);
@@ -217,18 +217,18 @@ function initDrop() {
       if (existing) {
         const grid = document.getElementById("inventory-grid");
 
-        const newItem = document.createElement("div");
+        const emptySlot = grid.querySelector(".inventory-slot.empty");
 
-        newItem.classList.add("inventory-slot");
-        newItem.setAttribute("draggable", "true");
+        if (emptySlot) {
+          emptySlot.classList.remove("empty");
 
-        newItem.dataset.id = existing.dataset.id;
-        newItem.dataset.level = existing.dataset.level;
-        newItem.dataset.slot = existing.dataset.slot;
+          emptySlot.dataset.id = existing.dataset.id;
+          emptySlot.dataset.level = existing.dataset.level;
+          emptySlot.dataset.slot = existing.dataset.slot;
+          emptySlot.setAttribute("draggable", "true");
 
-        newItem.innerHTML = `<img src="${existing.src}">`;
-
-        grid.appendChild(newItem);
+          emptySlot.innerHTML = `<img src="${existing.src}">`;
+        }
       }
 
       /* neues Item setzen */
@@ -297,7 +297,20 @@ function initInventoryDrop() {
 
     newItem.innerHTML = `<img src="${img.src}">`;
 
-    grid.appendChild(newItem);
+    const emptySlot = grid.querySelector(".inventory-slot.empty");
+
+    if (emptySlot) {
+      emptySlot.classList.remove("empty");
+
+      emptySlot.dataset.id = itemId;
+      emptySlot.dataset.level = itemLevel;
+      emptySlot.dataset.slot = slotName;
+      emptySlot.setAttribute("draggable", "true");
+
+      emptySlot.innerHTML = `<img src="${img.src}">`;
+    }
+
+    initDrag();
 
     /* Slot leeren */