diff --git a/main/Scene-load.cc b/main/Scene-load.cc
index f492270..16f4a27 100644
--- a/main/Scene-load.cc
+++ b/main/Scene-load.cc
@@ -15,10 +15,29 @@ using namespace std;
 
 typedef vector< refptr<Node> >::const_iterator Node_Iterator;
 
+#ifdef NODE_TREE_DEBUG
+static void dumpNodeTree(refptr<Node> node)
+{
+    static int depth = 0;
+    for (int i = 0; i < depth; i++)
+        cerr << ' ';
+    cerr << typeid(*node).name() << endl;
+    depth++;
+    for (Node_Iterator it = node->getChildren().begin(); it != node->getChildren().end(); it++)
+    {
+        dumpNodeTree(*it);
+    }
+    depth--;
+}
+#endif
+
 void Scene::load(const char * filename)
 {
     refptr<Scope> scope = new Scope();
     refptr<Node> node = parse(filename, scope);
+#ifdef NODE_TREE_DEBUG
+    dumpNodeTree(node);
+#endif
     if ( ! node.isNull() )
     {
         /* evaluate any scripting nodes in the node tree */