diff --git a/src/i_winmusic.c b/src/i_winmusic.c
index f1887b66..d5d2d64c 100644
--- a/src/i_winmusic.c
+++ b/src/i_winmusic.c
@@ -598,4 +598,6 @@ music_module_t music_win_module =
     I_WIN_UnRegisterSong,
 };
 
+#else
+enum {dummy};
 #endif