diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index affd3e8d7a67a367382bd74f6c8b6dae6146b368..d26004b35a81aed490849f1cea824143689271b0 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -2631,7 +2631,7 @@ struct ess_device_list {
 	unsigned short vendor;	/* subsystem vendor id */
 };
 
-static struct ess_device_list pm_whitelist[] = {
+static const struct ess_device_list pm_whitelist[] = {
 	{ TYPE_MAESTRO2E, 0x0e11 },	/* Compaq Armada */
 	{ TYPE_MAESTRO2E, 0x1028 },
 	{ TYPE_MAESTRO2E, 0x103c },
@@ -2642,7 +2642,7 @@ static struct ess_device_list pm_whitelist[] = {
 	{ TYPE_MAESTRO2, 0x125d },	/* a PCI card, e.g. SF64-PCE2 */
 };
 
-static struct ess_device_list mpu_blacklist[] = {
+static const struct ess_device_list mpu_blacklist[] = {
 	{ TYPE_MAESTRO2, 0x125d },
 };