diff --git a/os/hal/platforms/STM32F30x/platform.mk b/os/hal/platforms/STM32F30x/platform.mk
index 855260033..ce219fa15 100644
--- a/os/hal/platforms/STM32F30x/platform.mk
+++ b/os/hal/platforms/STM32F30x/platform.mk
@@ -10,6 +10,7 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F30x/stm32_dma.c \
               ${CHIBIOS}/os/hal/platforms/STM32/pwm_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/I2Cv2/i2c_lld.c \
+              ${CHIBIOS}/os/hal/platforms/STM32/RTCv2/rtc_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/SPIv2/spi_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/USARTv2/serial_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/USARTv2/uart_lld.c \
@@ -20,6 +21,7 @@ PLATFORMINC = ${CHIBIOS}/os/hal/platforms/STM32F30x \
               ${CHIBIOS}/os/hal/platforms/STM32 \
               ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/I2Cv2 \
+              ${CHIBIOS}/os/hal/platforms/STM32/RTCv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/SPIv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/USARTv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/USBv1
diff --git a/os/hal/platforms/STM32F37x/platform.mk b/os/hal/platforms/STM32F37x/platform.mk
index 199dd8e82..47cc548aa 100644
--- a/os/hal/platforms/STM32F37x/platform.mk
+++ b/os/hal/platforms/STM32F37x/platform.mk
@@ -10,6 +10,7 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F37x/stm32_dma.c \
               ${CHIBIOS}/os/hal/platforms/STM32/pwm_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/I2Cv2/i2c_lld.c \
+              ${CHIBIOS}/os/hal/platforms/STM32/RTCv2/rtc_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/SPIv2/spi_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/USARTv2/serial_lld.c \
               ${CHIBIOS}/os/hal/platforms/STM32/USARTv2/uart_lld.c \
@@ -20,6 +21,7 @@ PLATFORMINC = ${CHIBIOS}/os/hal/platforms/STM32F37x \
               ${CHIBIOS}/os/hal/platforms/STM32 \
               ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/I2Cv2 \
+              ${CHIBIOS}/os/hal/platforms/STM32/RTCv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/SPIv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/USARTv2 \
               ${CHIBIOS}/os/hal/platforms/STM32/USBv1