diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c9f77152e079..4dd0cccc5a9e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4424,7 +4424,7 @@ static int alc_build_pcms(struct hda_codec *codec)
 				alc_pcm_null_stream;
 			info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = 0;
 		}
-		if (spec->num_adc_nids > 1) {
+		if (spec->num_adc_nids > 1 && spec->stream_analog_alt_capture) {
 			info->stream[SNDRV_PCM_STREAM_CAPTURE] =
 				*spec->stream_analog_alt_capture;
 			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =