diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index b235a30..5875ebb 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -273,7 +273,7 @@
 	return ret;
 }
 
-static struct rtc_class_ops pcf8583_rtc_ops = {
+static const struct rtc_class_ops pcf8583_rtc_ops = {
 	.read_time	= pcf8583_rtc_read_time,
 	.set_time	= pcf8583_rtc_set_time,
 };