diff --git a/stepmania/src/StepMania-net2005.vcproj b/stepmania/src/StepMania-net2005.vcproj
index f9e10bd20e..99c9126b9c 100644
--- a/stepmania/src/StepMania-net2005.vcproj
+++ b/stepmania/src/StepMania-net2005.vcproj
@@ -1780,6 +1780,10 @@
 						RelativePath="arch\Sound\DSoundHelpers.h"
 						>
 					</File>
+					<File
+						RelativePath=".\arch\Sound\RageSoundDriver.cpp"
+						>
+					</File>
 					<File
 						RelativePath="arch\Sound\RageSoundDriver.h"
 						>
@@ -2024,6 +2028,10 @@
 						RelativePath="arch\Dialog\Dialog.h"
 						>
 					</File>
+					<File
+						RelativePath=".\arch\Dialog\DialogDriver.cpp"
+						>
+					</File>
 					<File
 						RelativePath="arch\Dialog\DialogDriver.h"
 						>