diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/taskview/TaskViewTaskController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/taskview/TaskViewTaskController.java
index e74342e..1931ea9 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/taskview/TaskViewTaskController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/taskview/TaskViewTaskController.java
@@ -529,9 +529,12 @@
             Slog.w(TAG, "Trying to remove a task that was never added? (no taskToken)");
             return;
         }
+        // Cache it to avoid NPE and make sure to remove it from recents history.
+        // mTaskToken can be cleared in onTaskVanished() when the task is removed.
+        final WindowContainerToken taskToken = mTaskToken;
         mShellExecutor.execute(() -> {
             WindowContainerTransaction wct = new WindowContainerTransaction();
-            wct.removeTask(mTaskToken);
+            wct.removeTask(taskToken);
             mTaskViewTransitions.closeTaskView(wct, this);
         });
     }