diff --git a/examples/osgviewerWX/osgviewerWX.cpp b/examples/osgviewerWX/osgviewerWX.cpp
index 9550d7cd3..0afe3469b 100644
--- a/examples/osgviewerWX/osgviewerWX.cpp
+++ b/examples/osgviewerWX/osgviewerWX.cpp
@@ -66,8 +66,8 @@ bool wxOsgApp::OnInit()
     viewer->getCamera()->setViewport(0,0,width,height);
 
     // set the draw and read buffers up for a double buffered window with rendering going to back buffer
-    viewer.getCamera()->setDrawBuffer(GL_BACK);
-    viewer.getCamera()->setReadBuffer(GL_BACK);
+    viewer->getCamera()->setDrawBuffer(GL_BACK);
+    viewer->getCamera()->setReadBuffer(GL_BACK);
 
     viewer->addEventHandler(new osgViewer::StatsHandler);
     viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);