diff --git a/stepmania/src/StepMania-net2003.vcproj b/stepmania/src/StepMania-net2003.vcproj
index d866f46154..646597fb7a 100644
--- a/stepmania/src/StepMania-net2003.vcproj
+++ b/stepmania/src/StepMania-net2003.vcproj
@@ -1148,6 +1148,12 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 			<File
 				RelativePath="SongUtil.h">
 			</File>
+			<File
+				RelativePath=".\SoundEffectControl.cpp">
+			</File>
+			<File
+				RelativePath=".\SoundEffectControl.h">
+			</File>
 			<File
 				RelativePath="StageStats.cpp">
 			</File>