diff --git a/include/osgUtil/RenderLeaf b/include/osgUtil/RenderLeaf
index 5b8c88e2a..abd5a7900 100644
--- a/include/osgUtil/RenderLeaf
+++ b/include/osgUtil/RenderLeaf
@@ -51,7 +51,7 @@ class OSGUTIL_EXPORT RenderLeaf : public osg::Referenced
         virtual void render(osg::State& state,RenderLeaf* previous);
         
         /// allow RenderGraph to change the RenderLeaf's _parent.
-        friend RenderGraph;
+        friend class osgUtil::RenderGraph;
 
     public:
     
diff --git a/include/osgUtil/Tesselator b/include/osgUtil/Tesselator
index deca804a7..200866543 100644
--- a/include/osgUtil/Tesselator
+++ b/include/osgUtil/Tesselator
@@ -98,7 +98,7 @@ class OSGUTIL_EXPORT Tesselator
 
 	protected:
     
-        friend VertexIndexSet;
+        friend struct VertexIndexSet;
 
         typedef std::vector<VertexIndexSet>  CoordVec;
 
diff --git a/src/osgPlugins/flt/Record.h b/src/osgPlugins/flt/Record.h
index 3a4f43913..416c936b7 100644
--- a/src/osgPlugins/flt/Record.h
+++ b/src/osgPlugins/flt/Record.h
@@ -80,9 +80,9 @@ class Record : public osg::Referenced
         Record*         _pParent;
         FltFile*        _pFltFile;
 
-        friend Input;
-        friend FltFile;
-        friend PrimNodeRecord;
+        friend class Input;
+        friend class FltFile;
+        friend class PrimNodeRecord;
 
     private:
 
@@ -176,7 +176,7 @@ class PrimNodeRecord : public Record
         typedef std::vector<osg::ref_ptr<Record> > ChildList;
         ChildList _children;
 
-        friend FaceRecord;
+        friend class FaceRecord;
 };
 
 
diff --git a/src/osgUtil/NvTriStripObjects.h b/src/osgUtil/NvTriStripObjects.h
index 8f4fb842f..7931654dc 100644
--- a/src/osgUtil/NvTriStripObjects.h
+++ b/src/osgUtil/NvTriStripObjects.h
@@ -291,6 +291,6 @@ class NvStripifier
 
         // let our strip info classes and the other classes get
         // to these protected stripificaton methods if they want
-        friend NvStripInfo;
+        friend class NvStripInfo;
 };
 #endif