diff --git a/projects/VC7.1/FlightGear.vcproj b/projects/VC7.1/FlightGear.vcproj
index aaf4af935..85cc1dcff 100755
--- a/projects/VC7.1/FlightGear.vcproj
+++ b/projects/VC7.1/FlightGear.vcproj
@@ -228,6 +228,12 @@
 			<File
 				RelativePath="..\..\src\Airports\runways.hxx">
 			</File>
+			<File
+				RelativePath="..\..\src\Airports\sidstar.cxx">
+			</File>
+			<File
+				RelativePath="..\..\src\Airports\sidstar.hxx">
+			</File>
 			<File
 				RelativePath="..\..\src\Airports\simple.cxx">
 			</File>