diff --git a/apps/openmw/mwsound/openal_output.hpp b/apps/openmw/mwsound/openal_output.hpp
index e240a8b016..02706b50ca 100644
--- a/apps/openmw/mwsound/openal_output.hpp
+++ b/apps/openmw/mwsound/openal_output.hpp
@@ -70,7 +70,7 @@ namespace MWSound
         friend class SoundManager;
     };
 #ifndef DEFAULT_OUTPUT
-#define DEFAULT_OUTPUT (::MWSound::OpenAL_Output)
+#define DEFAULT_OUTPUT(x) ::MWSound::OpenAL_Output((x))
 #endif
 }