diff --git a/src/com/android/settings/datetime/TimeFormatPreferenceController.java b/src/com/android/settings/datetime/TimeFormatPreferenceController.java
index c594b264ac8..302c624c757 100644
--- a/src/com/android/settings/datetime/TimeFormatPreferenceController.java
+++ b/src/com/android/settings/datetime/TimeFormatPreferenceController.java
@@ -103,6 +103,7 @@ public class TimeFormatPreferenceController extends AbstractPreferenceController
 
     static void timeUpdated(Context context, Boolean is24Hour) {
         Intent timeChanged = new Intent(Intent.ACTION_TIME_CHANGED);
+        timeChanged.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
         int timeFormatPreference;
         if (is24Hour == null) {
             timeFormatPreference = Intent.EXTRA_TIME_PREF_VALUE_USE_LOCALE_DEFAULT;
diff --git a/tests/robotests/src/com/android/settings/datetime/TimeChangeListenerMixinTest.java b/tests/robotests/src/com/android/settings/datetime/TimeChangeListenerMixinTest.java
index 843c753d9a6..ada59f4513c 100644
--- a/tests/robotests/src/com/android/settings/datetime/TimeChangeListenerMixinTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/TimeChangeListenerMixinTest.java
@@ -66,7 +66,8 @@ public class TimeChangeListenerMixinTest {
     public void onResume_shouldRegisterIntentFilter() {
         mMixin.onResume();
         mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_TICK));
-        mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_CHANGED));
+        mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_CHANGED)
+                .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND));
         mContext.sendBroadcast(new Intent(Intent.ACTION_TIMEZONE_CHANGED));
 
         verify(mCallback, times(3)).updateTimeAndDateDisplay(mContext);
@@ -77,7 +78,8 @@ public class TimeChangeListenerMixinTest {
         mMixin.onResume();
         mMixin.onPause();
         mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_TICK));
-        mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_CHANGED));
+        mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_CHANGED)
+                .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND));
         mContext.sendBroadcast(new Intent(Intent.ACTION_TIMEZONE_CHANGED));
 
         verify(mCallback, never()).updateTimeAndDateDisplay(mContext);