diff --git a/src/modules/device/queries/service.ts b/src/modules/device/queries/service.ts
index 72b3889..81675b2 100644
--- a/src/modules/device/queries/service.ts
+++ b/src/modules/device/queries/service.ts
@@ -45,7 +45,7 @@ export default abstract class QueryService {
         deviceType: request.data.data.devType,
         code: request.data.data.code,
         towerNumber: request.data.data.tower,
-        payload: request.data.data.payload?.split('=')[1],
+        payload: request.data.data.payload?.split('=')[1] || '',
       },
     }
   }