diff --git a/src/controllers/storeController.js b/src/controllers/storeController.js
index 67accda7..28754f5a 100644
--- a/src/controllers/storeController.js
+++ b/src/controllers/storeController.js
@@ -1187,7 +1187,9 @@ const generateBatchNo = (type, hardwareIdCompany) => {
   const ddmmyy = `${date.getDate().toString().padStart(2, '0')}${(date.getMonth() + 1).toString().padStart(2, '0')}${date.getFullYear().toString().slice(-2)}`;
   const companyPrefix = hardwareIdCompany.slice(0, 2).toUpperCase();
   const randomNumbers = Math.floor(100 + Math.random() * 900).toString(); // 3 random digits
-
+  if (type === 'SENSOR') {
+    return `SN${ddmmyy}${companyPrefix}${randomNumbers}`;
+  }
   if (type === 'SLAVE') {
     return `SL${ddmmyy}${companyPrefix}${randomNumbers}`;
   }