diff --git a/app/controllers/jwt_controller.js b/app/controllers/jwt_controller.js
index 520a47d..dfe3ba0 100644
--- a/app/controllers/jwt_controller.js
+++ b/app/controllers/jwt_controller.js
@@ -15,9 +15,9 @@ module.exports.addMacValue= async(req, res, next)=>{
         const {key, mac_id, mail, company_name, app_version} = req.body
 
         const mac =await MacModel.findOne({where:{licency_key: key},raw:true});
-
         //Check License Key IN DB 
-        if (mac.licency_key == key) {
+        if (mac && mac.licency_key == key) 
+        {
             //Check isActive and App Version are Same 
             if (mac.isActive == false && mac.app_version == app_version) {