diff --git a/os/hal/ports/STM32/STM32L4xx/platform_l432.mk b/os/hal/ports/STM32/STM32L4xx/platform_l432.mk
index ba67f9959..960c70fa1 100644
--- a/os/hal/ports/STM32/STM32L4xx/platform_l432.mk
+++ b/os/hal/ports/STM32/STM32L4xx/platform_l432.mk
@@ -1,7 +1,8 @@
 # Required platform files.
 PLATFORMSRC := $(CHIBIOS)/os/hal/ports/common/ARMCMx/nvic.c \
                $(CHIBIOS)/os/hal/ports/STM32/STM32L4xx/stm32_isr.c \
-               $(CHIBIOS)/os/hal/ports/STM32/STM32L4xx/hal_lld.c
+               $(CHIBIOS)/os/hal/ports/STM32/STM32L4xx/hal_lld.c \
+               $(CHIBIOS)/os/hal/ports/STM32/STM32L4xx/hal_efl_lld.c
 
 # Required include directories.
 PLATFORMINC := $(CHIBIOS)/os/hal/ports/common/ARMCMx \
diff --git a/readme.txt b/readme.txt
index fb68eb7f9..a279dff98 100644
--- a/readme.txt
+++ b/readme.txt
@@ -74,6 +74,7 @@
 *****************************************************************************
 
 *** 20.3.3 ***
+- FIX: Fixed missing EFL driver in platform_l432.mk (bug #1130).
 - FIX: Fixed wrong check in STM32 ST driver (bug #1129).
 - FIX: Fixed OSAL does not allow 64 bits resolution values (bug #1128).
 - FIX: Fixed wrong SDMMC RCC macros for STM32H7xx (bug #1127).