diff --git a/server/services/alertService.js b/server/services/alertService.js
index 7627dbb..23ee8ff 100644
--- a/server/services/alertService.js
+++ b/server/services/alertService.js
@@ -741,10 +741,17 @@ class AlertService {
   async checkAlertRules(detection) {
     try {
       // Get the device to determine tenant context
-      const device = await Device.findByPk(detection.device_id);
+      console.log(`🔍 Looking for device with ID: ${detection.device_id} (type: ${typeof detection.device_id})`);
+      let device = await Device.findByPk(detection.device_id);
       if (!device) {
-        console.log(`Device ${detection.device_id} not found for detection`);
-        return [];
+        // Try with string conversion if numeric lookup failed
+        const deviceIdStr = String(detection.device_id);
+        device = await Device.findByPk(deviceIdStr);
+        if (!device) {
+          console.log(`Device ${detection.device_id} not found for detection`);
+          return [];
+        }
+        console.log(`✅ Found device with string conversion: ${deviceIdStr}`);
       }
 
       const rules = await AlertRule.findAll({