diff --git a/projects/VC7.1/FlightGear.vcproj b/projects/VC7.1/FlightGear.vcproj
index b3b3aa8d4..d8f9e18dc 100755
--- a/projects/VC7.1/FlightGear.vcproj
+++ b/projects/VC7.1/FlightGear.vcproj
@@ -204,6 +204,12 @@
 			<File
 				RelativePath="..\..\src\Airports\parking.hxx">
 			</File>
+			<File
+				RelativePath="..\..\src\Airports\runwaybase.cxx">
+			</File>
+			<File
+				RelativePath="..\..\src\Airports\runwaybase.hxx">
+			</File>
 			<File
 				RelativePath="..\..\src\Airports\runwayprefloader.cxx">
 			</File>