diff --git a/res/xml/smart_battery_detail.xml b/res/xml/smart_battery_detail.xml
index 8cfd7979ffd..a236cb824e1 100644
--- a/res/xml/smart_battery_detail.xml
+++ b/res/xml/smart_battery_detail.xml
@@ -16,6 +16,7 @@
   -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    android:key="smart_battery_detail"
     android:title="@string/smart_battery_manager_title">
 
     <!-- TODO(b/71722498): Add header back, otherwise also remove smart_battery_header