diff --git a/app/src/main/java/com/mpesaandroidintegration/mpesaintegrationandroid/MPESAMessagingService.java b/app/src/main/java/com/mpesaandroidintegration/mpesaintegrationandroid/MPESAMessagingService.java
index a60b6bc..b6b6f97 100644
--- a/app/src/main/java/com/mpesaandroidintegration/mpesaintegrationandroid/MPESAMessagingService.java
+++ b/app/src/main/java/com/mpesaandroidintegration/mpesaintegrationandroid/MPESAMessagingService.java
@@ -11,13 +11,8 @@
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import com.google.firebase.messaging.FirebaseMessagingService;
 import com.google.firebase.messaging.RemoteMessage;
-
 import org.json.JSONObject;
 
-/**
- * Created by miles on 20/11/2017.
- */
-
 public class MPESAMessagingService extends FirebaseMessagingService {
 
     private static final String TAG = "MPESAMessagingService";
@@ -95,7 +90,7 @@ private void sendNotification(String title, String message) {
         Intent intent = new Intent(this, MainActivity.class);
         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
         PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent,
-                PendingIntent.FLAG_ONE_SHOT);
+                PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_IMMUTABLE);
 
         Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
         NotificationCompat.Builder notificationBuilder =