diff --git a/aegisub/build/aegisub_vs2008/aegisub_vs2008.vcproj b/aegisub/build/aegisub_vs2008/aegisub_vs2008.vcproj
index 1d079b499..9991bd29c 100644
--- a/aegisub/build/aegisub_vs2008/aegisub_vs2008.vcproj
+++ b/aegisub/build/aegisub_vs2008/aegisub_vs2008.vcproj
@@ -425,6 +425,14 @@
 				RelativePath="..\..\src\audio_player_openal.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\src\audio_player_oss.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\audio_player_oss.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\src\audio_player_portaudio.cpp"
 				>