diff --git a/projects/VC90/SimGear.vcproj b/projects/VC90/SimGear.vcproj
index de01f387..f38a9fa3 100644
--- a/projects/VC90/SimGear.vcproj
+++ b/projects/VC90/SimGear.vcproj
@@ -1119,6 +1119,10 @@
 				RelativePath="..\..\simgear\scene\model\SGInteractionAnimation.hxx"
 				>
 			</File>
+			<File
+				RelativePath="..\..\simgear\scene\model\SGLightAnimation.cxx"
+				>
+			</File>
 			<File
 				RelativePath="..\..\simgear\scene\model\SGMaterialAnimation.cxx"
 				>