diff --git a/src/music.c b/src/music.c
index 93ef8179c..b6c6179b1 100644
--- a/src/music.c
+++ b/src/music.c
@@ -496,7 +496,8 @@ do_improvisation(struct obj* instr)
     int damage, mode, do_spec = !(Stunned || Confusion);
     struct obj itmp;
     boolean mundane = FALSE, same_old_song = FALSE;
-    static char my_goto_song[] = {'C', '\0'}, *improvisation = my_goto_song;
+    static char my_goto_song[] = {'C', '\0'},
+                *improvisation SOUNDLIBONLY = my_goto_song;
 
     itmp = *instr;
     itmp.oextra = (struct oextra *) 0; /* ok on this copy as instr maintains