diff --git a/keyboards/anne_pro/chibios_stm32l151.patch b/keyboards/anne_pro/chibios_stm32l151.patch
new file mode 100644
index 0000000000..76fedda343
--- /dev/null
+++ b/keyboards/anne_pro/chibios_stm32l151.patch
@@ -0,0 +1,15 @@
+diff --git a/os/hal/ports/STM32/STM32L1xx/platform.mk b/os/hal/ports/STM32/STM32L1xx/platform.mk
+index e2c2344af..dcf6f83bc 100644
+--- a/os/hal/ports/STM32/STM32L1xx/platform.mk
++++ b/os/hal/ports/STM32/STM32L1xx/platform.mk
+@@ -17,8 +17,8 @@ ifneq ($(findstring HAL_USE_ADC TRUE,$(HALCONF)),)
+ PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/STM32L1xx/hal_adc_lld.c
+ endif
+ else
+-               $(CHIBIOS)/os/hal/ports/STM32/STM32L1xx/hal_adc_lld.c
+-PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c
++PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/STM32L1xx/hal_adc_lld.c \
++               $(CHIBIOS)/os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c
+ endif
+ 
+ # Drivers compatible with the platform.
diff --git a/keyboards/anne_pro/rules.mk b/keyboards/anne_pro/rules.mk
index fda74b4518..7062263a98 100644
--- a/keyboards/anne_pro/rules.mk
+++ b/keyboards/anne_pro/rules.mk
@@ -2,7 +2,8 @@
 # the next two should match the directories in
 #  <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
 MCU_FAMILY = STM32
-MCU_SERIES = STM32L1xx
+# This is a hack to automatically apply the patch to ChibiOS
+MCU_SERIES = $(shell echo STM32L1xx; cd lib/chibios; git apply ../../keyboards/anne_pro/chibios_stm32l151.patch 2>/dev/null)
 # linker script to use
 # it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
 #  or <this_dir>/ld/