diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 6a72eb1..01113a0 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -1479,6 +1479,7 @@
                 PreferenceManager.getDefaultSharedPreferences(mApp);
         mNetworkScanRequestTracker = new NetworkScanRequestTracker();
         mPhoneConfigurationManager = PhoneConfigurationManager.getInstance();
+        mNotifyUserActivity = new AtomicBoolean(false);
 
         publish();
     }