diff --git a/Src/stm32l5xx_ll_rtc.c b/Src/stm32l5xx_ll_rtc.c
index 047ecd9..f6d9284 100644
--- a/Src/stm32l5xx_ll_rtc.c
+++ b/Src/stm32l5xx_ll_rtc.c
@@ -86,18 +86,7 @@
 
 #define IS_LL_RTC_DAY(__DAY__)    (((__DAY__) >= (uint32_t)1U) && ((__DAY__) <= (uint32_t)31U))
 
-#define IS_LL_RTC_MONTH(__VALUE__) (((__VALUE__) == LL_RTC_MONTH_JANUARY) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_FEBRUARY) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_MARCH) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_APRIL) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_MAY) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_JUNE) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_JULY) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_AUGUST) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_SEPTEMBER) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_OCTOBER) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_NOVEMBER) \
-                                 || ((__VALUE__) == LL_RTC_MONTH_DECEMBER))
+#define IS_LL_RTC_MONTH(__MONTH__) (((__MONTH__) >= 1U) && ((__MONTH__) <= 12U))
 
 #define IS_LL_RTC_YEAR(__YEAR__) ((__YEAR__) <= 99U)