diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 6d405f6bbd0eb..ac5f3effa1f98 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -5948,7 +5948,7 @@ public class Activity extends ContextThemeWrapper
      * @return true if this is the topmost, non-finishing activity in its task.
      */
     private boolean isTopOfTask() {
-        if (mToken == null || mWindow == null || !mWindowAdded) {
+        if (mToken == null || mWindow == null) {
             return false;
         }
         try {