diff --git a/app.js b/app.js
index 4aea53c..afbd875 100644
--- a/app.js
+++ b/app.js
@@ -111,7 +111,7 @@ app.get("/api/building/:id", async (req, res) => {
       nextLevelPoints: nextLevel[0]?.required_points || null,
       description: info[0].description,
       history: info[0].history,
-      upgradeCost: `${nextLevel[0]?.wood} Holz, ${nextLevel[0]?.stone} Stein`,
+      upgradeCost: `${nextLevel[0]?.wood} Holz, ${nextLevel[0]?.stone} Stein, ${nextLevel[0]?.gold} Gold`,
     });
   } catch (err) {
     console.error(err);