diff --git a/services/core/java/com/android/server/wm/Transition.java b/services/core/java/com/android/server/wm/Transition.java
index c27a3d34a02fd..ae61f24a7a54a 100644
--- a/services/core/java/com/android/server/wm/Transition.java
+++ b/services/core/java/com/android/server/wm/Transition.java
@@ -673,7 +673,7 @@ class Transition extends Binder implements BLASTSyncEngine.TransactionReadyListe
         SurfaceControl.Transaction inputSinkTransaction = null;
         for (int i = 0; i < mParticipants.size(); ++i) {
             final ActivityRecord ar = mParticipants.valueAt(i).asActivityRecord();
-            if (ar == null || !ar.isVisible()) continue;
+            if (ar == null || !ar.isVisible() || ar.getParent() == null) continue;
             if (inputSinkTransaction == null) {
                 inputSinkTransaction = new SurfaceControl.Transaction();
             }