diff --git a/projects/VC90/SimGear.vcproj b/projects/VC90/SimGear.vcproj
index cb653c75..65a82782 100644
--- a/projects/VC90/SimGear.vcproj
+++ b/projects/VC90/SimGear.vcproj
@@ -599,14 +599,6 @@
 				RelativePath="..\..\simgear\math\localconsts.hxx"
 				>
 			</File>
-			<File
-				RelativePath="..\..\simgear\math\project.cxx"
-				>
-			</File>
-			<File
-				RelativePath="..\..\simgear\math\project.hxx"
-				>
-			</File>
 			<File
 				RelativePath="..\..\simgear\math\sg_geodesy.hxx"
 				>
@@ -651,14 +643,6 @@
 				RelativePath="..\..\simgear\misc\interpolator.hxx"
 				>
 			</File>
-			<File
-				RelativePath="..\..\simgear\misc\PathOptions.cxx"
-				>
-			</File>
-			<File
-				RelativePath="..\..\simgear\misc\PathOptions.hxx"
-				>
-			</File>
 			<File
 				RelativePath="..\..\simgear\misc\ResourceManager.cxx"
 				>
@@ -1793,6 +1777,14 @@
 				RelativePath="..\..\simgear\scene\util\NodeAndDrawableVisitor.hxx"
 				>
 			</File>
+			<File
+				RelativePath="..\..\simgear\scene\util\PathOptions.cxx"
+				>
+			</File>
+			<File
+				RelativePath="..\..\simgear\scene\util\PathOptions.hxx"
+				>
+			</File>
 			<File
 				RelativePath="..\..\simgear\scene\util\PrimitiveUtils.cxx"
 				>
@@ -1801,6 +1793,14 @@
 				RelativePath="..\..\simgear\scene\util\PrimitiveUtils.hxx"
 				>
 			</File>
+			<File
+				RelativePath="..\..\simgear\scene\util\project.cxx"
+				>
+			</File>
+			<File
+				RelativePath="..\..\simgear\scene\util\project.hxx"
+				>
+			</File>
 			<File
 				RelativePath="..\..\simgear\scene\util\QuadTreeBuilder.cxx"
 				>