diff --git a/main.c b/main.c
index 2502be5..7fd062b 100644
--- a/main.c
+++ b/main.c
@@ -67,7 +67,6 @@ void rtc_alarm_reset(void) {
 }
 
 void rtc_init(void) {
-    rtc_bus_sync();
     RTC->CRH = 0;
     if (((RTC_INITIALIZED_REGISTER_HIGH<<16) | RTC_INITIALIZED_REGISTER_LOW) != COMPILE_TIME) {
         RCC->BDCR = RCC_BDCR_RTCEN | (1<<RCC_BDCR_RTCSEL_Pos) | RCC_BDCR_LSEON;
@@ -79,6 +78,7 @@ void rtc_init(void) {
         RTC_INITIALIZED_REGISTER_LOW = COMPILE_TIME&0xffff;
         REBOOT_REGISTER  = 0;
     }
+    rtc_bus_sync();
 }
 
 void rtc_set_alarm_sec(uint32_t value) {