diff --git a/sndiod/dev.c b/sndiod/dev.c
index 01a5388..513e999 100644
--- a/sndiod/dev.c
+++ b/sndiod/dev.c
@@ -1059,7 +1059,6 @@ dev_open_do(struct dev *d)
 		}
 		return 0;
 	}
-	dev_siomix_open(d);
 	if (d->mode & MODE_REC) {
 		/*
 		 * Create device <-> demuxer buffer
@@ -1175,7 +1174,6 @@ dev_exitall(struct dev *d)
 {
 	int i;
 	struct slot *s;
-	struct ctl *c;
 
 	for (s = d->slot, i = DEV_NSLOT; i > 0; i--, s++) {
 		if (s->ops)
@@ -1192,6 +1190,8 @@ dev_exitall(struct dev *d)
 void
 dev_close_do(struct dev *d)
 {
+	struct ctl *c;
+
 #ifdef DEBUG
 	if (log_level >= 3) {
 		dev_log(d);
diff --git a/sndiod/dev_siomix.c b/sndiod/dev_siomix.c
index 2bf9b62..8c39c92 100644
--- a/sndiod/dev_siomix.c
+++ b/sndiod/dev_siomix.c
@@ -95,14 +95,14 @@ dev_siomix_onctl(void *arg, unsigned int addr, unsigned int val)
  * open the mixer device.
  */
 void
-dev_siomix_open(struct dev *d)
+dev_siomix_open(struct dev *d, char *path)
 {
-	d->siomix.hdl = siomix_open(d->path, SIOMIX_READ | SIOMIX_WRITE, 0);
+	d->siomix.hdl = siomix_open(path, SIOMIX_READ | SIOMIX_WRITE, 0);
 	if (d->siomix.hdl == NULL)
 		return;
 	siomix_ondesc(d->siomix.hdl, dev_siomix_ondesc, d);
 	siomix_onctl(d->siomix.hdl, dev_siomix_onctl, d);
-	d->siomix.file = file_new(&dev_siomix_ops, d, d->path,
+	d->siomix.file = file_new(&dev_siomix_ops, d, path,
 	    siomix_nfds(d->siomix.hdl));
 }
 
diff --git a/sndiod/dev_siomix.h b/sndiod/dev_siomix.h
index 2c74387..3ad9cdf 100644
--- a/sndiod/dev_siomix.h
+++ b/sndiod/dev_siomix.h
@@ -26,7 +26,7 @@ struct dev_siomix {
 	struct file *file;
 };
 
-void dev_siomix_open(struct dev *);
+void dev_siomix_open(struct dev *, char *);
 void dev_siomix_close(struct dev *);
 
 #endif /* !defined(DEV_SIOMIX_H) */
diff --git a/sndiod/siofile.c b/sndiod/siofile.c
index 60e4a28..376e647 100644
--- a/sndiod/siofile.c
+++ b/sndiod/siofile.c
@@ -241,6 +241,7 @@ dev_sio_open(struct dev *d)
 		log_puts(path);
 		log_puts("\n");
 	}
+	dev_siomix_open(d, path);
 	return 1;
  bad_close:
 	sio_close(d->sio.hdl);
@@ -250,6 +251,7 @@ dev_sio_open(struct dev *d)
 void
 dev_sio_close(struct dev *d)
 {
+	dev_siomix_close(d);
 #ifdef DEBUG
 	if (log_level >= 3) {
 		dev_log(d);