diff --git a/code/B3DImporter.cpp b/code/B3DImporter.cpp
index dd7b0d95e..aa87609d4 100644
--- a/code/B3DImporter.cpp
+++ b/code/B3DImporter.cpp
@@ -702,6 +702,7 @@ void B3DImporter::ReadBB3D( aiScene *scene ){
 
     //nodes
     scene->mRootNode=_nodes[0];
+    _nodes.clear();  // node ownership now belongs to scene
 
     //material
     if( !_materials.size() ){