diff --git a/include/osgViewer/api/Cocoa/GraphicsWindowCocoa b/include/osgViewer/api/Cocoa/GraphicsWindowCocoa
index 076fedb84..54510c074 100644
--- a/include/osgViewer/api/Cocoa/GraphicsWindowCocoa
+++ b/include/osgViewer/api/Cocoa/GraphicsWindowCocoa
@@ -85,7 +85,7 @@ class GraphicsWindowCocoa : public osgViewer::GraphicsWindow, public osgViewer::
     
         virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const GraphicsWindowCocoa*>(object)!=0; }
         virtual const char* libraryName() const { return "osgViewer"; }
-        virtual const char* className() const { return "GraphicsWindowCarbon"; }
+        virtual const char* className() const { return "GraphicsWindowCocoa"; }
 
         virtual bool valid() const { return _valid; }
 
diff --git a/src/osgViewer/GraphicsWindowCocoa.mm b/src/osgViewer/GraphicsWindowCocoa.mm
index 94e1eaa8a..ea986eb81 100644
--- a/src/osgViewer/GraphicsWindowCocoa.mm
+++ b/src/osgViewer/GraphicsWindowCocoa.mm
@@ -1020,6 +1020,10 @@ bool GraphicsWindowCocoa::realizeImplementation()
         OSG_WARN << "GraphicsWindowCocoa::realizeImplementation :: could not create context" << std::endl;
         return false;
     }
+    
+    // set graphics handle for shared usage
+    setNSOpenGLContext(_context);
+    
     GraphicsWindowCocoaGLView* theView = [[ GraphicsWindowCocoaGLView alloc ] initWithFrame:[ _window frame ] ];
     [theView setAutoresizingMask:  (NSViewWidthSizable | NSViewHeightSizable) ];
     [theView setGraphicsWindowCocoa: this];