diff --git a/include/osgTerrain/Layer b/include/osgTerrain/Layer
index bd76cac76..57a05fd37 100644
--- a/include/osgTerrain/Layer
+++ b/include/osgTerrain/Layer
@@ -416,6 +416,7 @@ class OSGTERRAIN_EXPORT CompositeLayer : public Layer
         const Layer* getLayer(unsigned int i) const { return _layers[i].layer.get(); }
 
         void addLayer(const std::string& compoundname);
+        void addLayer(const std::string& setname, const std::string& filename);
         
         void addLayer(Layer* layer) { _layers.push_back(CompoundNameLayer(layer->getName(),layer->getFileName(),layer)); }
 
diff --git a/src/osgTerrain/Layer.cpp b/src/osgTerrain/Layer.cpp
index b6e793787..3da10ba95 100644
--- a/src/osgTerrain/Layer.cpp
+++ b/src/osgTerrain/Layer.cpp
@@ -627,6 +627,11 @@ void CompositeLayer::addLayer(const std::string& compoundname)
     _layers.push_back(CompoundNameLayer(setname,filename,0));
 }
 
+void CompositeLayer::addLayer(const std::string& setname, const std::string& filename)
+{
+    _layers.push_back(CompoundNameLayer(setname,filename,0));
+}
+
 /////////////////////////////////////////////////////////////////////////////
 //
 // SwitchLayer