diff --git a/VirtualRobot/Visualization/CoinVisualization/CoinVisualizationNode.h b/VirtualRobot/Visualization/CoinVisualization/CoinVisualizationNode.h
index 42e851141d499856cbccd483643b657be2aab7b0..2c34f5c2c493c5ec2374cd7d03e13613fd378e19 100644
--- a/VirtualRobot/Visualization/CoinVisualization/CoinVisualizationNode.h
+++ b/VirtualRobot/Visualization/CoinVisualization/CoinVisualizationNode.h
@@ -41,7 +41,7 @@ class TriMeshModel;
 
 class VIRTUAL_ROBOT_IMPORT_EXPORT CoinVisualizationNode : virtual public VisualizationNode
 {
-	friend CoinVisualizationFactory;
+	friend class CoinVisualizationFactory;
 public:
 	CoinVisualizationNode(SoNode* visualizationNode);
 	~CoinVisualizationNode();