diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index df3652ad15ef36224fdbc121ee1018116bab28c0..4989710958691f31c8e24c66c8b3e91dafc6ae1f 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -1092,6 +1092,7 @@ static int patch_ad1884(struct hda_codec *codec)
 	spec = codec->spec;
 
 	spec->gen.mixer_nid = 0x20;
+	spec->gen.mixer_merge_nid = 0x21;
 	spec->gen.beep_nid = 0x10;
 	set_beep_amp(spec, 0x10, 0, HDA_OUTPUT);