diff --git a/projects/VC7.1/SimGear.vcproj b/projects/VC7.1/SimGear.vcproj
index 18e48cb3..077ca3f9 100755
--- a/projects/VC7.1/SimGear.vcproj
+++ b/projects/VC7.1/SimGear.vcproj
@@ -854,6 +854,12 @@
 			<File
 				RelativePath="..\..\simgear\structure\exception.hxx">
 			</File>
+			<File
+				RelativePath="..\..\simgear\structure\SGBinding.cxx">
+			</File>
+			<File
+				RelativePath="..\..\simgear\structure\SGBinding.hxx">
+			</File>
 			<File
 				RelativePath="..\..\simgear\structure\SGReferenced.hxx">
 			</File>