diff --git a/public/js/buildings/wohnhaus.js b/public/js/buildings/wohnhaus.js
index 43248e3..4b910cd 100644
--- a/public/js/buildings/wohnhaus.js
+++ b/public/js/buildings/wohnhaus.js
@@ -77,6 +77,8 @@ async function loadEquipment() {
     if (label) {
       slot.appendChild(label);
     }
+
+    slot.classList.add("has-item");
   });
 }
 
@@ -175,22 +177,38 @@ function initDrop() {
       const itemSlot = e.dataTransfer.getData("slot");
 
       const targetSlot = slot.dataset.slot;
-      console.log("Item Slot:", itemSlot);
-      console.log("Target Slot:", targetSlot);
 
-      if (itemSlot !== targetSlot) return;
+      if (!itemSlot || itemSlot !== targetSlot) return;
 
-      const icon = document.querySelector(
-        '.inventory-slot[data-id="' + itemId + '"] img',
-      ).src;
+      const item = document.querySelector(
+        '.inventory-slot[data-id="' + itemId + '"]',
+      );
+
+      const icon = item.querySelector("img").src;
+
+      /* Wenn Slot schon Item hat */
+
+      const existingItem = slot.querySelector("img");
+
+      if (existingItem) {
+        const inventory = document.getElementById("inventory-grid");
+
+        const newSlot = document.createElement("div");
+
+        newSlot.classList.add("inventory-slot");
+
+        newSlot.innerHTML = `<img src="${existingItem.src}">`;
+
+        inventory.appendChild(newSlot);
+      }
+
+      /* Neues Item setzen */
 
       const label = slot.querySelector(".slot-label");
 
       slot.innerHTML = `<img src="${icon}">`;
 
-      if (label) {
-        slot.appendChild(label);
-      }
+      if (label) slot.appendChild(label);
 
       slot.classList.add("has-item");