diff --git a/src/com/android/settings/fuelgauge/HighPowerDetail.java b/src/com/android/settings/fuelgauge/HighPowerDetail.java
index 6946f62..daa72da 100644
--- a/src/com/android/settings/fuelgauge/HighPowerDetail.java
+++ b/src/com/android/settings/fuelgauge/HighPowerDetail.java
@@ -131,7 +131,7 @@
     public void onDismiss(DialogInterface dialog) {
         super.onDismiss(dialog);
         Fragment target = getTargetFragment();
-        if (target != null) {
+        if (target != null && target.getActivity() != null) {
             target.onActivityResult(getTargetRequestCode(), 0, null);
         }
     }