diff --git a/examples/osgterrain/osgterrain.cpp b/examples/osgterrain/osgterrain.cpp
index 797652470..d57c6b404 100644
--- a/examples/osgterrain/osgterrain.cpp
+++ b/examples/osgterrain/osgterrain.cpp
@@ -198,14 +198,14 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    osg::ref_ptr<osgTerrain::Terrain> terrain = findTopMostNodeOfType<osgTerrain::Terrain>(rootnode);
+    osg::ref_ptr<osgTerrain::Terrain> terrain = findTopMostNodeOfType<osgTerrain::Terrain>(rootnode.get());
     if (!terrain)
     {
         // no Terrain node present insert one above the loaded model.
         terrain = new osgTerrain::Terrain;
 
         // if CoordinateSystemNode is present copy it's contents into the Terrain, and discard it.
-        osg::CoordinateSystemNode* csn = findTopMostNodeOfType<osg::CoordinateSystemNode>(rootnode);;
+        osg::CoordinateSystemNode* csn = findTopMostNodeOfType<osg::CoordinateSystemNode>(rootnode.get());
         if (csn)
         {
             terrain->set(*csn);
@@ -227,7 +227,7 @@ int main(int argc, char** argv)
     terrain->setBlendingPolicy(blendingPolicy);
 
     // register our custom handler for adjust Terrain settings
-    viewer.addEventHandler(new TerrainHandler(terrain));
+    viewer.addEventHandler(new TerrainHandler(terrain.get()));
 
     // add a viewport to the viewer and attach the scene graph.
     viewer.setSceneData( rootnode.get() );