diff --git a/stepmania/src/StepManiaXbox.vcproj b/stepmania/src/StepManiaXbox.vcproj
index 1375bc4957..e5278e2f36 100644
--- a/stepmania/src/StepManiaXbox.vcproj
+++ b/stepmania/src/StepManiaXbox.vcproj
@@ -2249,6 +2249,12 @@ cl
 			<File
 				RelativePath="NetworkSyncManager.h">
 			</File>
+			<File
+				RelativePath="NetworkSyncServer.cpp">
+			</File>
+			<File
+				RelativePath="NetworkSyncServer.h">
+			</File>
 			<File
 				RelativePath="NoteSkinManager.cpp">
 			</File>