diff --git a/services/tests/wmtests/AndroidManifest.xml b/services/tests/wmtests/AndroidManifest.xml
index 73a34b621a293..ff8480373f4ea 100644
--- a/services/tests/wmtests/AndroidManifest.xml
+++ b/services/tests/wmtests/AndroidManifest.xml
@@ -41,7 +41,8 @@
         <activity android:name="com.android.server.wm.TaskStackChangedListenerTest$ActivityRequestedOrientationChange" />
         <activity android:name="com.android.server.wm.TaskStackChangedListenerTest$ActivityTaskChangeCallbacks" />
         <activity android:name="com.android.server.wm.TaskStackChangedListenerTest$ActivityTaskDescriptionChange" />
-        <activity android:name="com.android.server.wm.ScreenDecorWindowTests$TestActivity" />
+        <activity android:name="com.android.server.wm.ScreenDecorWindowTests$TestActivity"
+                  android:showWhenLocked="true" />
     </application>
 
     <instrumentation