diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index dc2fa576d60d..689df78f640a 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -3190,6 +3190,7 @@ static int check_dyn_adc_switch(struct hda_codec *codec)
 						spec->input_paths[i][nums]);
 					spec->input_paths[i][nums] =
 						spec->input_paths[i][n];
+					spec->input_paths[i][n] = 0;
 				}
 			}
 			nums++;