diff --git a/src/osgPlugins/obj/OBJWriterNodeVisitor.h b/src/osgPlugins/obj/OBJWriterNodeVisitor.h
index 9cf246596..be4c8cabd 100644
--- a/src/osgPlugins/obj/OBJWriterNodeVisitor.h
+++ b/src/osgPlugins/obj/OBJWriterNodeVisitor.h
@@ -69,6 +69,7 @@ class OBJWriterNodeVisitor: public osg::NodeVisitor {
 
         virtual void apply(osg::Group &node)
         {
+            pushStateSet(node.getStateSet());
             _nameStack.push_back( node.getName().empty() ? node.className() : node.getName() );
 
             _fout << std::endl;
@@ -77,6 +78,7 @@ class OBJWriterNodeVisitor: public osg::NodeVisitor {
             traverse( node );
 
             _nameStack.pop_back();
+            popStateSet(node.getStateSet());
         }
 
         void traverse (osg::Node &node)