diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c
--- a/sys/dev/sound/pcm/dsp.c
+++ b/sys/dev/sound/pcm/dsp.c
@@ -2224,9 +2224,9 @@
 			ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;
 			/**
 			 * @note
-			 * @c real_device - OSSv4 docs:  "Obsolete."
+			 * @c legacy_device - OSSv4 docs:  "Obsolete."
 			 */
-			ai->real_device = -1;
+			ai->legacy_device = -1;
 			snprintf(ai->devnode, sizeof(ai->devnode), "/dev/dsp%d", unit);
 			ai->enabled = device_is_attached(d->dev) ? 1 : 0;
 			/**
diff --git a/sys/sys/soundcard.h b/sys/sys/soundcard.h
--- a/sys/sys/soundcard.h
+++ b/sys/sys/soundcard.h
@@ -1878,7 +1878,7 @@
 	int	card_number;
 	int	port_number;
 	int	mixer_dev;
-	int	real_device;	/* Obsolete field. Replaced by devnode */
+	int	legacy_device;	/* Obsolete field. Replaced by devnode */
 	int	enabled;	/* 1=enabled, 0=device not ready at this
 				   moment */
 	int	flags;		/* For internal use only - no practical