diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index 815244ac22..d186665a94 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -90,6 +90,7 @@ BackgroundUtil.cpp BackgroundUtil.h \
 BannerCache.cpp BannerCache.h CatalogXml.cpp CatalogXml.h \
 Character.cpp Character.h \
 CodeDetector.cpp CodeDetector.h \
+CodeSet.cpp CodeSet.h \
 Command.cpp Command.h \
 CommonMetrics.cpp CommonMetrics.h \
 Course.cpp Course.h \
diff --git a/stepmania/src/StepMania-net2005.vcproj b/stepmania/src/StepMania-net2005.vcproj
index 3888aa7b3b..6d9907dc4d 100644
--- a/stepmania/src/StepMania-net2005.vcproj
+++ b/stepmania/src/StepMania-net2005.vcproj
@@ -1058,6 +1058,14 @@
 				RelativePath="CodeDetector.h"
 				>
 			</File>
+			<File
+				RelativePath=".\CodeSet.cpp"
+				>
+			</File>
+			<File
+				RelativePath=".\CodeSet.h"
+				>
+			</File>
 			<File
 				RelativePath="Command.cpp"
 				>