diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index b794cba494c377f5c4be6396bfbd2234f3d7bd6b..672103d84ffc1a2118b1b235ac1f1426ab034133 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -16951,7 +16951,7 @@ static int patch_alc662(struct hda_codec *codec)
 
 	if (!spec->cap_mixer)
 		set_capture_mixer(spec);
-	set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);
+	set_beep_amp(spec, 0x0b, 0x04, HDA_INPUT);
 
 	spec->vmaster_nid = 0x02;