diff --git a/build/aegisub_vs2005/aegisub_vs2005.vcproj b/build/aegisub_vs2005/aegisub_vs2005.vcproj
index 8e7fa6e53..c26527ed9 100644
--- a/build/aegisub_vs2005/aegisub_vs2005.vcproj
+++ b/build/aegisub_vs2005/aegisub_vs2005.vcproj
@@ -518,6 +518,10 @@
 					RelativePath="..\..\aegisub\audio_provider_convert.h"
 					>
 				</File>
+				<File
+					RelativePath="..\..\aegisub\audio_provider_downmix.cpp"
+					>
+				</File>
 				<File
 					RelativePath="..\..\aegisub\audio_provider_dummy.cpp"
 					>
@@ -1803,6 +1807,14 @@
 				RelativePath="..\..\aegisub\subtitle_format_srt.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\aegisub\subtitle_format_transtation.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\aegisub\subtitle_format_transtation.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\aegisub\subtitle_format_ttxt.cpp"
 				>
diff --git a/build/aegisub_vs2008/aegisub_vs2008.vcproj b/build/aegisub_vs2008/aegisub_vs2008.vcproj
index 3e1846cf2..4bebe792c 100644
--- a/build/aegisub_vs2008/aegisub_vs2008.vcproj
+++ b/build/aegisub_vs2008/aegisub_vs2008.vcproj
@@ -553,6 +553,14 @@
 				RelativePath="..\..\aegisub\audio_provider_convert.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\aegisub\audio_provider_downmix.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\aegisub\audio_provider_downmix.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\aegisub\audio_provider_dummy.cpp"
 				>
@@ -1761,6 +1769,14 @@
 				RelativePath="..\..\aegisub\subtitle_format_srt.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\aegisub\subtitle_format_transtation.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\aegisub\subtitle_format_transtation.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\aegisub\subtitle_format_ttxt.cpp"
 				>