diff --git a/stepmania/src/StepMania-net2003.vcproj b/stepmania/src/StepMania-net2003.vcproj
index fc78c9e390..bd24ea19d4 100644
--- a/stepmania/src/StepMania-net2003.vcproj
+++ b/stepmania/src/StepMania-net2003.vcproj
@@ -743,6 +743,12 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 			<File
 				RelativePath="ActorCommands.h">
 			</File>
+			<File
+				RelativePath=".\AdjustSync.cpp">
+			</File>
+			<File
+				RelativePath=".\AdjustSync.h">
+			</File>
 			<File
 				RelativePath="Attack.cpp">
 			</File>