diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 9d16bad..8670ae2 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -1544,9 +1544,8 @@
         return handlePinMmiForSubscriber(getDefaultSubscription(), dialString);
     }
 
-    public void handleUssdRequest(String ussdRequest, ResultReceiver wrappedCallback) {
+    public void handleUssdRequest(int subId, String ussdRequest, ResultReceiver wrappedCallback) {
       enforceCallPermission();
-      int subId = getDefaultSubscription();
       if (!SubscriptionManager.isValidSubscriptionId(subId)) {
           return;
       }
@@ -1554,7 +1553,6 @@
       sendRequest(CMD_HANDLE_USSD_REQUEST, ussdObject, subId);
     };
 
-
     public boolean handlePinMmiForSubscriber(int subId, String dialString) {
         enforceModifyPermission();
         if (!SubscriptionManager.isValidSubscriptionId(subId)) {