diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index 7ad53f96a80e2..1bec2a5d68fa3 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -6008,6 +6008,9 @@ class Task extends TaskFragment {
 
         if (canBeLaunchedOnDisplay(newParent.getDisplayId())) {
             reparent(newParent, onTop ? POSITION_TOP : POSITION_BOTTOM);
+            if (isLeafTask()) {
+                newParent.onLeafTaskMoved(this, onTop);
+            }
         } else {
             Slog.w(TAG, "Task=" + this + " can't reparent to " + newParent);
         }