diff --git a/src/com/android/bluetooth/btservice/AdapterService.java b/src/com/android/bluetooth/btservice/AdapterService.java
index 53cf723..2d3d69e 100644
--- a/src/com/android/bluetooth/btservice/AdapterService.java
+++ b/src/com/android/bluetooth/btservice/AdapterService.java
@@ -2314,6 +2314,8 @@
     }
 
     boolean setPhonebookAccessPermission(BluetoothDevice device, int value) {
+        enforceCallingOrSelfPermission(BLUETOOTH_PRIVILEGED,
+                "Need BLUETOOTH PRIVILEGED permission");
         SharedPreferences pref = getSharedPreferences(PHONEBOOK_ACCESS_PERMISSION_PREFERENCE_FILE,
                 Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = pref.edit();