diff --git a/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt b/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt
index 20794bf5c1..a952617f00 100644
--- a/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt
+++ b/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt
@@ -127,8 +127,9 @@ class TaskThumbnailView : FrameLayout, ViewPool.Reusable {
 
     override fun onDetachedFromWindow() {
         super.onDetachedFromWindow()
+        val scopeToCancel = viewAttachedScope
         recentsCoroutineScope.launch(dispatcherProvider.background) {
-            viewAttachedScope.cancel("TaskThumbnailView detaching from window")
+            scopeToCancel.cancel("TaskThumbnailView detaching from window")
         }
     }