diff --git a/stepmania/src/StepMania-net2003.vcproj b/stepmania/src/StepMania-net2003.vcproj
index 4b776d7551..d866f46154 100644
--- a/stepmania/src/StepMania-net2003.vcproj
+++ b/stepmania/src/StepMania-net2003.vcproj
@@ -1088,6 +1088,12 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 			<File
 				RelativePath=".\RandomSample.h">
 			</File>
+			<File
+				RelativePath=".\SampleHistory.cpp">
+			</File>
+			<File
+				RelativePath=".\SampleHistory.h">
+			</File>
 			<File
 				RelativePath=".\ScoreKeeper.cpp">
 			</File>