diff --git a/arch/arm/src/stm32/stm32_rtcc.c b/arch/arm/src/stm32/stm32_rtcc.c
index 37aca70c51..35020c8430 100644
--- a/arch/arm/src/stm32/stm32_rtcc.c
+++ b/arch/arm/src/stm32/stm32_rtcc.c
@@ -902,7 +902,7 @@ int up_rtc_getdatetime(FAR struct tm *tp)
   tmp = (dr & (RTC_DR_YU_MASK | RTC_DR_YT_MASK)) >> RTC_DR_YU_SHIFT;
   tp->tm_year = rtc_bcd2bin(tmp) + 100;
 
-#if defined(CONFIG_TIME_EXTENDED)
+#if defined(CONFIG_LIBC_LOCALTIME) || defined(CONFIG_TIME_EXTENDED)
   tmp = (dr & RTC_DR_WDU_MASK) >> RTC_DR_WDU_SHIFT;
   tp->tm_wday = tmp % 7;
   tp->tm_yday = tp->tm_mday + clock_daysbeforemonth(tp->tm_mon, clock_isleapyear(tp->tm_year + 1900));
@@ -1014,7 +1014,7 @@ int stm32_rtc_setdatetime(FAR const struct tm *tp)
 
   dr = (rtc_bin2bcd(tp->tm_mday) << RTC_DR_DU_SHIFT) |
        ((rtc_bin2bcd(tp->tm_mon + 1))  << RTC_DR_MU_SHIFT) |
-#if defined(CONFIG_TIME_EXTENDED)
+#if defined(CONFIG_LIBC_LOCALTIME) || defined(CONFIG_TIME_EXTENDED)
        ((tp->tm_wday == 0 ? 7 : (tp->tm_wday & 7))  << RTC_DR_WDU_SHIFT) |
 #endif
        ((rtc_bin2bcd(tp->tm_year - 100)) << RTC_DR_YU_SHIFT);