diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 2951087..52d9f0a 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -34,6 +34,7 @@
     <uses-permission android:name="android.permission.SUBSCRIBED_FEEDS_WRITE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.UPDATE_APP_OPS_STATS" />
 
     <application android:label="@string/calendar_storage"
                  android:icon="@drawable/app_icon">
diff --git a/src/com/android/providers/calendar/CalendarProvider2.java b/src/com/android/providers/calendar/CalendarProvider2.java
index 35653e9..c37a3e8 100644
--- a/src/com/android/providers/calendar/CalendarProvider2.java
+++ b/src/com/android/providers/calendar/CalendarProvider2.java
@@ -20,6 +20,7 @@
 import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.accounts.OnAccountsUpdateListener;
+import android.app.AppOpsManager;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.ContentUris;
@@ -512,6 +513,7 @@
     @Override
     public boolean onCreate() {
         super.onCreate();
+        setAppOps(AppOpsManager.OP_READ_CALENDAR, AppOpsManager.OP_WRITE_CALENDAR);
         try {
             return initialize();
         } catch (RuntimeException e) {