diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index 6e0b85e24a..943013e0fb 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -119,6 +119,7 @@ PlayerAI.cpp PlayerAI.h PlayerNumber.cpp PlayerNumber.h PlayerOptions.cpp Player
 PlayerStageStats.cpp PlayerStageStats.h \
 PlayerState.cpp PlayerState.h Preference.cpp Preference.h Profile.cpp Profile.h \
 RandomSample.cpp RandomSample.h RadarValues.cpp RadarValues.h \
+SampleHistory.cpp SampleHistory.h \
 ScreenDimensions.h ScreenDimensions.cpp \
 ScoreKeeper.h ScoreKeeper.cpp \
 ScoreKeeperGuitar.cpp ScoreKeeperGuitar.h \
diff --git a/stepmania/src/StepMania-net2005.vcproj b/stepmania/src/StepMania-net2005.vcproj
index 31fca160f1..cb375a03df 100644
--- a/stepmania/src/StepMania-net2005.vcproj
+++ b/stepmania/src/StepMania-net2005.vcproj
@@ -1458,6 +1458,14 @@
 				RelativePath=".\RoomInfoDisplay.h"
 				>
 			</File>
+			<File
+				RelativePath=".\SampleHistory.cpp"
+				>
+			</File>
+			<File
+				RelativePath=".\SampleHistory.h"
+				>
+			</File>
 			<File
 				RelativePath=".\ScoreKeeper.cpp"
 				>