diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index f23a935267c3..affd3e8d7a67 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -2529,7 +2529,7 @@ struct snd_es1968_tea575x_gpio {
 	char *name;
 };
 
-static struct snd_es1968_tea575x_gpio snd_es1968_tea575x_gpios[] = {
+static const struct snd_es1968_tea575x_gpio snd_es1968_tea575x_gpios[] = {
 	{ .data = 6, .clk = 7, .wren = 8, .most = 9, .name = "SF64-PCE2" },
 	{ .data = 7, .clk = 8, .wren = 6, .most = 10, .name = "M56VAP" },
 };