diff --git a/services/core/java/com/android/server/wm/TaskDisplayArea.java b/services/core/java/com/android/server/wm/TaskDisplayArea.java
index ff09163c151de..0cadc25b2abc4 100644
--- a/services/core/java/com/android/server/wm/TaskDisplayArea.java
+++ b/services/core/java/com/android/server/wm/TaskDisplayArea.java
@@ -929,6 +929,7 @@ final class TaskDisplayArea extends DisplayArea<WindowContainer> {
             // Update windowing mode if necessary, e.g. launch into a different windowing mode.
             if (windowingMode != WINDOWING_MODE_UNDEFINED && candidateTask.isRootTask()
                     && candidateTask.getWindowingMode() != windowingMode) {
+                candidateTask.mTransitionController.collect(candidateTask);
                 candidateTask.setWindowingMode(windowingMode);
             }
             return candidateTask.getRootTask();