diff --git a/VisualStudio/osgPlugins/osg/dot_osg.dsp b/VisualStudio/osgPlugins/osg/dot_osg.dsp
index 87df7682a..cee482226 100755
--- a/VisualStudio/osgPlugins/osg/dot_osg.dsp
+++ b/VisualStudio/osgPlugins/osg/dot_osg.dsp
@@ -136,6 +136,10 @@ SOURCE=..\..\..\src\osgPlugins\osg\ClipPlane.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\..\src\osgPlugins\osg\ClusterCullingCallback.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\..\src\osgPlugins\osg\ColorMask.cpp
 # End Source File
 # Begin Source File