1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 0b20dfacbf59..d94170728075 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -136,7 +136,7 @@ static int max6902_get_datetime(struct device *dev, struct rtc_time *dt)
         dt->tm_min      = BCD2BIN(chip->buf[2]);
         dt->tm_hour     = BCD2BIN(chip->buf[3]);
         dt->tm_mday     = BCD2BIN(chip->buf[4]);
-        dt->tm_mon      = BCD2BIN(chip->buf[5] - 1);
+        dt->tm_mon      = BCD2BIN(chip->buf[5]) - 1;
         dt->tm_wday     = BCD2BIN(chip->buf[6]);
         dt->tm_year = BCD2BIN(chip->buf[7]);