diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
index 5d1d159e63e67..38c1aff0a62c4 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
@@ -365,8 +365,10 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
     void startTasksWithLegacyTransition(int mainTaskId, @Nullable Bundle mainOptions,
             int sideTaskId, @Nullable Bundle sideOptions, @SplitPosition int sidePosition,
             float splitRatio, RemoteAnimationAdapter adapter) {
+        // Ensure divider is invisible before transition.
+        setDividerVisibility(false /* visible */);
         // Init divider first to make divider leash for remote animation target.
-        setDividerVisibility(true /* visible */);
+        mSplitLayout.init();
         // Set false to avoid record new bounds with old task still on top;
         mShouldUpdateRecents = false;
         final WindowContainerTransaction wct = new WindowContainerTransaction();
@@ -396,6 +398,7 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
                             public void onAnimationFinished() throws RemoteException {
                                 mIsDividerRemoteAnimating = false;
                                 mShouldUpdateRecents = true;
+                                setDividerVisibility(true /* visible */);
                                 mSyncQueue.queue(evictWct);
                                 mSyncQueue.runInSync(t -> applyDividerVisibility(t));
                                 finishedCallback.onAnimationFinished();
@@ -420,6 +423,7 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
             public void onAnimationCancelled() {
                 mIsDividerRemoteAnimating = false;
                 mShouldUpdateRecents = true;
+                setDividerVisibility(true /* visible */);
                 mSyncQueue.queue(evictWct);
                 mSyncQueue.runInSync(t -> applyDividerVisibility(t));
                 try {