diff --git a/app.js b/app.js
index 0819f02..e6bfb95 100644
--- a/app.js
+++ b/app.js
@@ -111,6 +111,7 @@ app.get("/api/building/:id", async (req, res) => {
     const buildingInfo = info[0] || {};
     res.json({
       name: buildingInfo.name || "Gebäude",
+      type: buildingId, // 👈 DAS HINZUFÜGEN
       level: building.level,
       points: building.points,
       nextLevelPoints: nextLevel[0]?.required_points || null,
diff --git a/public/js/map-ui.js b/public/js/map-ui.js
index c86346d..ff03d70 100644
--- a/public/js/map-ui.js
+++ b/public/js/map-ui.js
@@ -4,7 +4,7 @@ const title = document.getElementById("popup-title");
 const tooltip = document.getElementById("map-tooltip");
 
 const buildingModules = {
-  wohnhaus: loadWohnhaus,
+  11: loadWohnhaus,
 };
 
 /* ================================
diff --git a/routes/inventory.js b/routes/inventory.js
index a8594ba..b650978 100644
--- a/routes/inventory.js
+++ b/routes/inventory.js
@@ -1,6 +1,6 @@
 const express = require("express");
 const router = express.Router();
-const db = require("../db");
+const db = require("../database/database");
 
 router.get("/", async (req, res) => {
   const userId = 1;