diff --git a/VisualStudio/osgGA/osgGA.dsp b/VisualStudio/osgGA/osgGA.dsp
index 8a99afc38..74ef5516f 100755
--- a/VisualStudio/osgGA/osgGA.dsp
+++ b/VisualStudio/osgGA/osgGA.dsp
@@ -99,6 +99,10 @@ SOURCE=..\..\src\osgGA\AnimationPathManipulator.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\src\osgGA\EventVisitor.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\src\osgGA\DriveManipulator.cpp
 # End Source File
 # Begin Source File
@@ -167,6 +171,10 @@ SOURCE=..\..\Include\osgGA\Export
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\Include\osgGA\EventVisitor
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\Include\osgGA\FlightManipulator
 # End Source File
 # Begin Source File