diff --git a/os/hal/platforms/STM32F1xx/ext_lld_isr.c b/os/hal/platforms/STM32F1xx/ext_lld_isr.c
index ec7d7770a..ee4236c9b 100644
--- a/os/hal/platforms/STM32F1xx/ext_lld_isr.c
+++ b/os/hal/platforms/STM32F1xx/ext_lld_isr.c
@@ -199,7 +199,7 @@ CH_IRQ_HANDLER(PVD_IRQHandler) {
  *
  * @isr
  */
-CH_IRQ_HANDLER(RTCAlarm_IRQHandler) {
+CH_IRQ_HANDLER(RTC_Alarm_IRQHandler) {
 
   CH_IRQ_PROLOGUE();
 
diff --git a/os/hal/platforms/STM32F4xx/ext_lld_isr.c b/os/hal/platforms/STM32F4xx/ext_lld_isr.c
index 4e07cf140..5576ff834 100644
--- a/os/hal/platforms/STM32F4xx/ext_lld_isr.c
+++ b/os/hal/platforms/STM32F4xx/ext_lld_isr.c
@@ -199,7 +199,7 @@ CH_IRQ_HANDLER(PVD_IRQHandler) {
  *
  * @isr
  */
-CH_IRQ_HANDLER(RTCAlarm_IRQHandler) {
+CH_IRQ_HANDLER(RTC_Alarm_IRQHandler) {
 
   CH_IRQ_PROLOGUE();
 
diff --git a/os/hal/platforms/STM32L1xx/ext_lld_isr.c b/os/hal/platforms/STM32L1xx/ext_lld_isr.c
index c5bd574f9..ea9259a69 100644
--- a/os/hal/platforms/STM32L1xx/ext_lld_isr.c
+++ b/os/hal/platforms/STM32L1xx/ext_lld_isr.c
@@ -199,7 +199,7 @@ CH_IRQ_HANDLER(PVD_IRQHandler) {
  *
  * @isr
  */
-CH_IRQ_HANDLER(RTCAlarm_IRQHandler) {
+CH_IRQ_HANDLER(RTC_Alarm_IRQHandler) {
 
   CH_IRQ_PROLOGUE();
 
diff --git a/readme.txt b/readme.txt
index a92dab5e0..7eb416b5e 100644
--- a/readme.txt
+++ b/readme.txt
@@ -89,6 +89,7 @@
 *****************************************************************************
 
 *** 2.5.2 ***
+- FIX: Fixed wrong RTC vector name in STM32F1/F4/L1 EXT drivers (bug #412).
 - FIX: Fixed wrong STM32 USBv1 driver behavior (bug #410).
 - FIX: Fixed STM32 wrong peripherals reset procedure (bug #409)(backported
   to 2.4.4).