diff --git a/stepmania/src/arch/Sound/RageSoundDriver_OSS.cpp b/stepmania/src/arch/Sound/RageSoundDriver_OSS.cpp
index 3b860611f8..af20132150 100644
--- a/stepmania/src/arch/Sound/RageSoundDriver_OSS.cpp
+++ b/stepmania/src/arch/Sound/RageSoundDriver_OSS.cpp
@@ -4,6 +4,7 @@
 #include "RageTimer.h"
 #include "RageLog.h"
 #include "RageSound.h"
+#include "RageSoundManager.h"
 #include "RageUtil.h"
 
 #include "SDL.h"