diff --git a/bsp/stm32f103c8/Makefile b/bsp/stm32f103c8/Makefile
index 5cead0920..03550fdbe 100644
--- a/bsp/stm32f103c8/Makefile
+++ b/bsp/stm32f103c8/Makefile
@@ -37,23 +37,11 @@ BUILD_DIR = build
 # C sources
 C_SOURCES =  \
 $(shell find  ./pikascript -name *.c) \
+$(shell find  ./Drivers/STM32F1xx_HAL_Driver/Src -name *.c) \
 Core/Src/main.c \
 Core/Src/gpio.c \
 Core/Src/stm32f1xx_it.c \
 Core/Src/stm32f1xx_hal_msp.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c \
-Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c \
 Core/Src/system_stm32f1xx.c
 
 # ASM sources