diff --git a/libao2/ao_alsa9.c b/libao2/ao_alsa9.c
index 0fed30cbc6..d9e9f19826 100644
--- a/libao2/ao_alsa9.c
+++ b/libao2/ao_alsa9.c
@@ -97,7 +97,7 @@ static int control(int cmd, void *arg)
       snd_mixer_elem_t *elem;
       snd_mixer_selem_id_t *sid;
 
-      static const char *mix_name = NULL;
+      static char *mix_name = NULL;
       static char *card = NULL;
 
       long pmin, pmax;