diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 69cbc57..4d11b07 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -740,7 +740,7 @@
 static struct battery_file {
 	struct file_operations ops;
 	mode_t mode;
-	char *name;
+	const char *name;
 } acpi_battery_file[] = {
 	FILE_DESCRIPTION_RO(info),
 	FILE_DESCRIPTION_RO(state),