diff --git a/library/src/main/java/app/akexorcist/bluetotohspp/library/BluetoothSPP.java b/library/src/main/java/app/akexorcist/bluetotohspp/library/BluetoothSPP.java
index 869a98b..acf18aa 100644
--- a/library/src/main/java/app/akexorcist/bluetotohspp/library/BluetoothSPP.java
+++ b/library/src/main/java/app/akexorcist/bluetotohspp/library/BluetoothSPP.java
@@ -167,7 +167,7 @@ public void setDeviceTarget(boolean isAndroid) {
     }
     
     @SuppressLint("HandlerLeak")
-    private final Handler mHandler = new Handler() {
+    private final Handler mHandler = new Handler(Looper.getMainLooper()) {
         public void handleMessage(Message msg) {
             switch (msg.what) {
             case BluetoothState.MESSAGE_WRITE: