diff --git a/VisualStudio/osgIntrospection/osgIntrospection.dsp b/VisualStudio/osgIntrospection/osgIntrospection.dsp
index 015c6a005..969da22a6 100644
--- a/VisualStudio/osgIntrospection/osgIntrospection.dsp
+++ b/VisualStudio/osgIntrospection/osgIntrospection.dsp
@@ -175,6 +175,10 @@ SOURCE=..\..\include\osgIntrospection\Export
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\include\osgIntrospection\ExtendedTypeInfo
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\include\osgIntrospection\InstanceCreator
 # End Source File
 # Begin Source File
@@ -231,6 +235,10 @@ SOURCE=..\..\include\osgIntrospection\TypeNameAliasProxy
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\include\osgIntrospection\type_traits
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\include\osgIntrospection\Utility
 # End Source File
 # Begin Source File