diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c
index c82b471..3122f31 100644
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -340,7 +340,7 @@
 	.shutdown	= spdif_shutdown,
 };
 
-struct snd_soc_dai_driver samsung_spdif_dai = {
+static struct snd_soc_dai_driver samsung_spdif_dai = {
 	.name = "samsung-spdif",
 	.playback = {
 		.stream_name = "S/PDIF Playback",