diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c
index fc20ca368e55f0a8051c86b58b691f3d8c9f7bf4..3bc2eea7b3b700ca75d8cbf2dd0ca807c6012d62 100644
--- a/drivers/power/supply/olpc_battery.c
+++ b/drivers/power/supply/olpc_battery.c
@@ -559,7 +559,7 @@ static ssize_t olpc_bat_error_read(struct device *dev,
 	return sprintf(buf, "%d\n", ec_byte);
 }
 
-static struct device_attribute olpc_bat_error = {
+static const struct device_attribute olpc_bat_error = {
 	.attr = {
 		.name = "error",
 		.mode = S_IRUGO,