diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 2532b96..57d2ffb 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1109,7 +1109,7 @@
 	return ret;
 }
 
-static DEVICE_ATTR(mb0_id, S_IWUGO | S_IRUGO,
+static DEVICE_ATTR(mb0_id, S_IWUSR | S_IRUGO,
 	at91_sysfs_show_mb0_id, at91_sysfs_set_mb0_id);
 
 static struct attribute *at91_sysfs_attrs[] = {