diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 8d2ebf502df4..3a4e93e52b6d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3119,6 +3119,7 @@ int snd_soc_register_card(struct snd_soc_card *card)
 				 GFP_KERNEL);
 	if (card->rtd == NULL)
 		return -ENOMEM;
+	card->num_rtd = 0;
 	card->rtd_aux = &card->rtd[card->num_links];
 
 	for (i = 0; i < card->num_links; i++)