diff --git a/VisualStudio/OpenSceneGraph.dsw b/VisualStudio/OpenSceneGraph.dsw
index b5eb3e9ad..e4632d80b 100644
--- a/VisualStudio/OpenSceneGraph.dsw
+++ b/VisualStudio/OpenSceneGraph.dsw
@@ -1116,6 +1116,9 @@ Package=<4>
     Project_Dep_Name Core osgUtil
     End Project Dependency
     Begin Project Dependency
+    Project_Dep_Name Core osgSim
+    End Project Dependency
+    Begin Project Dependency
     Project_Dep_Name Core osgViewer
     End Project Dependency
 }}}