1 files changed, 2 insertions, 1 deletions
diff --git a/services/java/com/android/server/wm/WindowManagerService.java b/services/java/com/android/server/wm/WindowManagerService.java
index 6d47fcf..5da3e3e 100644
--- a/services/java/com/android/server/wm/WindowManagerService.java
+++ b/services/java/com/android/server/wm/WindowManagerService.java
@@ -3480,8 +3480,9 @@ public class WindowManagerService extends IWindowManager.Stub
             Task newTask = mTaskIdToTask.get(groupId);
             if (newTask == null) {
                 newTask = createTask(groupId, oldTask.mStack.mStackId, oldTask.mUserId, atoken);
+            } else {
+                newTask.mAppTokens.add(atoken);
             }
-            newTask.mAppTokens.add(atoken);
         }
     }