diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 37268e9..afeb546 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -485,7 +485,7 @@ ds1511_nvram_write(struct file *filp, struct kobject *kobj,
 static struct bin_attribute ds1511_nvram_attr = {
 	.attr = {
 		.name = "nvram",
-		.mode = S_IRUGO | S_IWUGO,
+		.mode = S_IRUGO | S_IWUSR,
 	},
 	.size = DS1511_RAM_MAX,
 	.read = ds1511_nvram_read,