diff --git a/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
index c44a373..1eb1903 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
@@ -532,6 +532,10 @@
 
     @VisibleForTesting
     void updateHeaderPreference(BatteryInfo info) {
+        final Context context = getContext();
+        if (context == null) {
+            return;
+        }
         final BatteryMeterView batteryView = (BatteryMeterView) mBatteryLayoutPref
                 .findViewById(R.id.battery_header_icon);
         final TextView timeText = (TextView) mBatteryLayoutPref.findViewById(R.id.time);
@@ -542,8 +546,7 @@
                 R.string.estimated_time_left : R.string.estimated_charging_time_left;
 
         if (info.remainingTimeUs != 0) {
-            timeText.setText(Utils.formatElapsedTime(getContext(),
-                    info.remainingTimeUs / 1000, false));
+            timeText.setText(Utils.formatElapsedTime(context, info.remainingTimeUs / 1000, false));
         } else {
             timeText.setText(info.statusLabel);
         }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
index dab39e4..796f564 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
@@ -358,6 +358,14 @@
         verify(mSummary1).setText(R.string.estimated_time_left);
     }
 
+    @Test
+    public void testUpdateHeaderPreference_AsyncUpdate_ShouldNotCrash() {
+        when(mPowerUsageSummary.getContext()).thenReturn(null);
+        mBatteryInfo.remainingTimeUs = REMAINING_TIME_US;
+
+        //Should not crash
+        mPowerUsageSummary.updateHeaderPreference(mBatteryInfo);
+    }
 
     private void testToggleAllApps(final boolean isShowApps) {
         mFragment.mShowAllApps = isShowApps;