diff --git a/Makefile b/Makefile
index 7e1ea7c..6b5f5dd 100644
--- a/Makefile
+++ b/Makefile
@@ -80,15 +80,15 @@ SRCS+=				\
 	stm32l1xx_hal_cortex.c	\
 	stm32l1xx_hal_dma.c	\
 	stm32l1xx_hal_gpio.c	\
-	stm32l1xx_hal_spi.c	\
-	stm32l1xx_hal_pwr.c	\
-	stm32l1xx_hal_pwr_ex.c	\
 	stm32l1xx_hal_pcd.c	\
 	stm32l1xx_hal_pcd_ex.c	\
+	stm32l1xx_hal_pwr.c	\
+	stm32l1xx_hal_pwr_ex.c	\
 	stm32l1xx_hal_rcc.c	\
 	stm32l1xx_hal_rcc_ex.c	\
 	stm32l1xx_hal_rtc.c	\
 	stm32l1xx_hal_rtc_ex.c	\
+	stm32l1xx_hal_spi.c	\
 	stm32l1xx_hal_uart.c	\
 	system_stm32l1xx.c