diff --git a/escposprinter/src/main/java/com/dantsu/escposprinter/connection/bluetooth/BluetoothConnection.java b/escposprinter/src/main/java/com/dantsu/escposprinter/connection/bluetooth/BluetoothConnection.java
index 3fa74a3..6c8858a 100644
--- a/escposprinter/src/main/java/com/dantsu/escposprinter/connection/bluetooth/BluetoothConnection.java
+++ b/escposprinter/src/main/java/com/dantsu/escposprinter/connection/bluetooth/BluetoothConnection.java
@@ -61,7 +61,7 @@ public BluetoothConnection connect() throws EscPosConnectionException {
 
         BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 
-        UUID uuid = getDeviceUUID();
+        UUID uuid = this.getDeviceUUID();
 
         try {
             this.socket = this.device.createRfcommSocketToServiceRecord(uuid);
@@ -80,13 +80,10 @@ public BluetoothConnection connect() throws EscPosConnectionException {
     /**
      * Get bluetooth device UUID
      */
-    @SuppressLint("MissingPermission")
     protected UUID getDeviceUUID() {
+        // https://developer.android.com/reference/android/bluetooth/BluetoothDevice - "00001101-0000-1000-8000-00805f9b34fb" SPP UUID
         ParcelUuid[] uuids = device.getUuids();
-        // https://developer.android.com/reference/android/bluetooth/BluetoothDevice
-        UUID sppUid = UUID.fromString("00001101-0000-1000-8000-00805f9b34fb");
-
-        return (uuids != null && uuids.length > 0) ? uuids[0].getUuid() : sppUid;
+        return (uuids != null && uuids.length > 0) ? uuids[0].getUuid() : UUID.fromString("00001101-0000-1000-8000-00805f9b34fb");
     }
 
     /**