diff --git a/internal/domains/sensors/handlers.go b/internal/domains/sensors/handlers.go
index 27c2c6f..ab3248b 100644
--- a/internal/domains/sensors/handlers.go
+++ b/internal/domains/sensors/handlers.go
@@ -31,9 +31,11 @@ func NewHandlers(service *Service, iot *iot.IoTDevice) *Handlers {
 
 func handleRequest[Req any, Res any](msg *nats.Msg, handler func(Req) (Res, error)) {
 	var req Req
-	if err := json.Unmarshal(msg.Data, &req); err != nil {
-		msg.Respond([]byte(`{"error":"invalid request"}`))
-		return
+	if len(msg.Data) > 0 {
+		if err := json.Unmarshal(msg.Data, &req); err != nil {
+			msg.Respond([]byte(`{"error":"invalid request"}`))
+			return
+		}
 	}
 
 	result, err := handler(req)