diff --git a/src/rtc.c b/src/rtc.c
index 847cc16..903ca7c 100644
--- a/src/rtc.c
+++ b/src/rtc.c
@@ -962,8 +962,8 @@ void RTC_Alarm_IRQHandler(void)
 
 #if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
     defined(STM32F091xC) || defined(STM32F098xx) || defined(STM32F070xB) || \
-    defined(STM32F030xC) || defined(STM32G0xx) || defined(STM32L0xx) || \
-    defined(STM32L5xx) || defined(STM32U5xx)
+    defined(STM32F030xC) || defined(STM32G0xx) || defined(STM32H5xx) || \
+    defined(STM32L0xx) || defined(STM32L5xx) || defined(STM32U5xx)
   // In some cases, the same vector is used to manage WakeupTimer,
   // but with a dedicated HAL IRQHandler
   HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
diff --git a/src/rtc.h b/src/rtc.h
index c8d035f..bad868b 100644
--- a/src/rtc.h
+++ b/src/rtc.h
@@ -115,8 +115,8 @@ typedef void(*voidCallbackPtr)(void *);
 #define PREDIVA_MAX 0xFFFFFU
 #endif /* !STM32F1xx */
 
-#if defined(STM32C0xx) || defined(STM32F0xx) || defined(STM32L0xx) || \
-    defined(STM32L5xx) || defined(STM32U5xx)
+#if defined(STM32C0xx) || defined(STM32F0xx) || defined(STM32H5xx) || \
+    defined(STM32L0xx) || defined(STM32L5xx) || defined(STM32U5xx)
 #define RTC_Alarm_IRQn RTC_IRQn
 #define RTC_Alarm_IRQHandler RTC_IRQHandler
 #endif
@@ -127,7 +127,8 @@ typedef void(*voidCallbackPtr)(void *);
 
 /* mapping the IRQn for the one-second interrupt depending on the soc */
 #if defined(STM32F1xx) || (defined(STM32F0xx) && defined(RTC_CR_WUTE)) || \
-    defined(STM32L0xx) || defined(STM32L5xx) || defined(STM32U5xx)
+    defined(STM32H5xx) || defined(STM32L0xx) || defined(STM32L5xx) || \
+    defined(STM32U5xx)
 // specific WakeUp interrupt
 #define ONESECOND_IRQn RTC_IRQn
 #elif defined(STM32MP1xx)