diff --git a/ESPBMS.ino b/ESPBMS.ino
index 6f0c3f6..122772f 100644
--- a/ESPBMS.ino
+++ b/ESPBMS.ino
@@ -88,7 +88,7 @@ void loop() {
         }
 
         // Register callback for remote characteristic (receive channel)
-        Serial.println("Get BMS receive characteristic...");
+        Serial.println("Register callback for remote characteristic...");
         if (pRemoteCharacteristic_rx->canNotify()){
             pRemoteCharacteristic_rx->registerForNotify(MyNotifyCallback);
         }else{
@@ -152,6 +152,7 @@ void loop() {
             }
         }
         Serial.println("Disconnect");
+        pRemoteCharacteristic_rx->unregisterForNotify();
         pClient->disconnect();
     }
 }