diff --git a/sys/dev/sound/pcm/channel.h b/sys/dev/sound/pcm/channel.h
--- a/sys/dev/sound/pcm/channel.h
+++ b/sys/dev/sound/pcm/channel.h
@@ -306,8 +306,6 @@
 int chn_getrates(struct pcm_channel *c, int **rates);
 int chn_syncdestroy(struct pcm_channel *c);
 
-#define CHN_GETMUTE(x, y, z)		((x)->muted[y][z])
-
 #ifdef OSSV4_EXPERIMENT
 int chn_getpeaks(struct pcm_channel *c, int *lpeak, int *rpeak);
 #endif
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
@@ -607,8 +607,9 @@
 	case MIXER_READ(0):
 		switch (j) {
 		case SOUND_MIXER_MUTE:
-			mute = CHN_GETMUTE(ch, SND_VOL_C_PCM, SND_CHN_T_FL) ||
-			    CHN_GETMUTE(ch, SND_VOL_C_PCM, SND_CHN_T_FR);
+			mute = chn_getmute_matrix(ch,
+			    SND_VOL_C_PCM, SND_CHN_T_FL) ||
+			    chn_getmute_matrix(ch, SND_VOL_C_PCM, SND_CHN_T_FR);
 			if (ch->direction == PCMDIR_REC) {
 				*(int *)arg = mute << SOUND_MIXER_RECLEV;
 			} else {