diff --git a/sdk/jme3-core/src/com/jme3/gde/core/scene/SceneApplication.java b/sdk/jme3-core/src/com/jme3/gde/core/scene/SceneApplication.java
index 2dbb782b2..0a9ee29b8 100644
--- a/sdk/jme3-core/src/com/jme3/gde/core/scene/SceneApplication.java
+++ b/sdk/jme3-core/src/com/jme3/gde/core/scene/SceneApplication.java
@@ -400,7 +400,7 @@ public class SceneApplication extends Application implements LookupProvider {
                     return;
                 }
                 notifyClose(oldRequest);
-                if (newRequest == null || newRequest.getRootNode() != oldRequest.getRootNode()) {
+                if (newRequest == null || newRequest.getDataObject() != oldRequest.getDataObject()) {
                     checkSave(oldRequest);
                     SceneUndoRedoManager manager = Lookup.getDefault().lookup(SceneUndoRedoManager.class);
                     if (manager != null) {