diff --git a/6.Ble-Duck-App/Ble-Duck-App/Ble-Duck-App.ino b/6.Ble-Duck-App/Ble-Duck-App/Ble-Duck-App.ino
index 5823b56..95712f0 100644
--- a/6.Ble-Duck-App/Ble-Duck-App/Ble-Duck-App.ino
+++ b/6.Ble-Duck-App/Ble-Duck-App/Ble-Duck-App.ino
@@ -59,7 +59,7 @@ void loop() {
   if (SerialBT.available()) {
     String text = SerialBT.readString();
     Serial.println(text);
-    duck.sendData(topics::status, text);
+    duck.sendData(topics::status, text.c_str());
     delay(10);
   }