diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 428a5faef74d..b043d8d45823 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -1787,7 +1787,7 @@ static unsigned short *ssif_address_list(void)
 }
 
 #ifdef CONFIG_ACPI
-static struct acpi_device_id ssif_acpi_match[] = {
+static const struct acpi_device_id ssif_acpi_match[] = {
 	{ "IPI0001", 0 },
 	{ },
 };