diff --git a/routes/mine_route.js b/routes/mine_route.js
index d84d83b..d2ddd04 100644
--- a/routes/mine_route.js
+++ b/routes/mine_route.js
@@ -1,7 +1,7 @@
 const express = require("express");
-const router  = require("express").Router();
-const db      = require("../database/database");
-const auth    = require("../middleware/auth");
+const router = require("express").Router();
+const db = require("../database/database");
+const auth = require("../middleware/auth");
 
 /* ─────────────────────────────────────────
    HELPER: Timer sicherstellen
@@ -12,12 +12,12 @@ const auth    = require("../middleware/auth");
 async function ensureTimer(userBuildingId) {
   const [[existing]] = await db.query(
     "SELECT last_collected FROM building_collect_timer WHERE user_building_id = ?",
-    [userBuildingId]
+    [userBuildingId],
   );
   if (!existing) {
     await db.query(
       "INSERT INTO building_collect_timer (user_building_id, last_collected) VALUES (?, NOW())",
-      [userBuildingId]
+      [userBuildingId],
     );
   }
 }
@@ -45,7 +45,7 @@ async function loadMineData(userId, buildingId) {
     WHERE ub.user_id     = ?
       AND ub.building_id = ?
     `,
-    [userId, buildingId]
+    [userId, buildingId],
   );
   return rows;
 }
@@ -54,14 +54,14 @@ async function loadMineData(userId, buildingId) {
    GET /api/mine/:buildingId/status
 ───────────────────────────────────────── */
 router.get("/:buildingId/status", auth, async (req, res) => {
-  const userId     = req.session.user.id;
+  const userId = req.session.user.id;
   const buildingId = req.params.buildingId;
 
   try {
     // user_building holen
     const [[userBuilding]] = await db.query(
       "SELECT id, level FROM user_buildings WHERE user_id = ? AND building_id = ?",
-      [userId, buildingId]
+      [userId, buildingId],
     );
 
     if (!userBuilding) {
@@ -78,31 +78,32 @@ router.get("/:buildingId/status", auth, async (req, res) => {
 
     const { cycle_seconds, last_collected, level } = rows[0];
 
-    const elapsed = Math.floor((Date.now() - new Date(last_collected).getTime()) / 1000);
-    const cycles  = Math.floor(elapsed / cycle_seconds);
-    const nextIn  = cycle_seconds - (elapsed % cycle_seconds);
+    const elapsed = Math.floor(
+      (Date.now() - new Date(last_collected).getTime()) / 1000,
+    );
+    const cycles = Math.floor(elapsed / cycle_seconds);
+    const nextIn = cycle_seconds - (elapsed % cycle_seconds);
 
     const available = rows.map((r) => ({
       resource: r.resource,
-      amount:   r.amount * cycles,
+      amount: r.amount * cycles,
     }));
 
     const production = rows.map((r) => ({
       resource: r.resource,
-      amount:   r.amount,
+      amount: r.amount,
     }));
 
     res.json({
       level,
       cycles,
-      ready:                 cycles > 0,
+      ready: cycles > 0,
       available,
       production,
       last_collected,
       next_cycle_in_seconds: nextIn,
       cycle_seconds,
     });
-
   } catch (err) {
     console.error(err);
     res.status(500).json({ error: "DB Fehler" });
@@ -114,14 +115,14 @@ router.get("/:buildingId/status", auth, async (req, res) => {
    Ressourcen gutschreiben + Timer reset
 ───────────────────────────────────────── */
 router.post("/:buildingId/collect", auth, async (req, res) => {
-  const userId     = req.session.user.id;
+  const userId = req.session.user.id;
   const buildingId = req.params.buildingId;
 
   try {
     // user_building holen
     const [[userBuilding]] = await db.query(
       "SELECT id FROM user_buildings WHERE user_id = ? AND building_id = ?",
-      [userId, buildingId]
+      [userId, buildingId],
     );
 
     if (!userBuilding) {
@@ -138,55 +139,65 @@ router.post("/:buildingId/collect", auth, async (req, res) => {
 
     const { user_building_id, cycle_seconds, last_collected } = rows[0];
 
-    const elapsed = Math.floor((Date.now() - new Date(last_collected).getTime()) / 1000);
-    const cycles  = Math.floor(elapsed / cycle_seconds);
+    const elapsed = Math.floor(
+      (Date.now() - new Date(last_collected).getTime()) / 1000,
+    );
+    const cycles = Math.floor(elapsed / cycle_seconds);
 
     if (cycles < 1) {
       const waitSeconds = cycle_seconds - elapsed;
-      const minutes     = Math.floor(waitSeconds / 60);
-      const seconds     = waitSeconds % 60;
+      const minutes = Math.floor(waitSeconds / 60);
+      const seconds = waitSeconds % 60;
       return res.json({
-        error:            "Noch nichts bereit",
+        error: "Noch nichts bereit",
         ready_in_seconds: waitSeconds,
         ready_in_display: `${minutes}m ${seconds}s`,
       });
     }
 
-    // ── Alle Ressourcen atomar in EINEM Query schreiben ──────────────
-    // Verhindert inkonsistente Zustände bei Verbindungsabbrüchen
-    const setClauses = rows
-      .map((r) => `\`${r.resource}\` = \`${r.resource}\` + ${r.amount * cycles}`)
-      .join(", ");
+    // Jede Ressource einzeln gutschreiben
+    const allowedResources = [
+      "gold",
+      "silver",
+      "copper",
+      "iron",
+      "wood",
+      "stone",
+      "gems",
+    ];
 
-    await db.query(
-      `INSERT INTO account_currency (account_id)
-       VALUES (?)
-       ON DUPLICATE KEY UPDATE ${setClauses}`,
-      [userId]
-    );
+    for (const row of rows) {
+      if (!allowedResources.includes(row.resource)) continue;
+
+      const toAdd = row.amount * cycles;
+
+      await db.query(
+        `UPDATE account_currency SET \`${row.resource}\` = \`${row.resource}\` + ? WHERE account_id = ?`,
+        [toAdd, userId],
+      );
+    }
 
     // Timer zuruecksetzen: last_collected um genau die abgeschlossenen
     // Zyklen vorruecken – Restsekunden bleiben erhalten, kein Verlust
     const newLastCollected = new Date(
-      new Date(last_collected).getTime() + cycles * cycle_seconds * 1000
+      new Date(last_collected).getTime() + cycles * cycle_seconds * 1000,
     );
 
     await db.query(
       "UPDATE building_collect_timer SET last_collected = ? WHERE user_building_id = ?",
-      [newLastCollected, user_building_id]
+      [newLastCollected, user_building_id],
     );
 
     const collected = rows.map((r) => ({
       resource: r.resource,
-      amount:   r.amount * cycles,
+      amount: r.amount * cycles,
     }));
 
     res.json({ success: true, cycles, collected });
-
   } catch (err) {
     console.error(err);
     res.status(500).json({ error: "DB Fehler" });
   }
 });
 
-module.exports = router;
\ No newline at end of file
+module.exports = router;