diff --git a/server/routes/device.js b/server/routes/device.js
index 81f1f47..80ed114 100644
--- a/server/routes/device.js
+++ b/server/routes/device.js
@@ -541,7 +541,7 @@ router.post('/:id/approve', async (req, res) => {
   try {
     const { Device, DroneDetection, Heartbeat, Tenant } = getModels();
     
-    const deviceId = parseInt(req.params.id);
+    const deviceId = req.params.id; // Keep device ID as string - don't parse as integer
     const { approved } = req.body;
 
     if (typeof approved !== 'boolean') {