diff --git a/radio/src/Makefile b/radio/src/Makefile
index 8ef272528..caf737fb1 100644
--- a/radio/src/Makefile
+++ b/radio/src/Makefile
@@ -928,31 +928,31 @@ ifeq ($(PCB), TARANIS)
   CPPSRC += loadboot.cpp
   ifeq ($(PCBREV), REV9E)
     CPPSRC += targets/taranis/top_lcd_driver.cpp
-	SRC += targets/taranis/system_stm32f4xx.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/misc.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_gpio.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dbgmcu.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rcc.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_spi.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_i2c.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dma.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rtc.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_pwr.c
-	SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_usart.c
-	SRC += $(STM32LIBPATH)/CMSIS/Device/ST/STM32F4xx/Source/Templates/gcc_ride7/startup_stm32f40_41xxx.s
+    SRC += targets/taranis/system_stm32f4xx.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/misc.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_gpio.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dbgmcu.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rcc.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_spi.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_i2c.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dma.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rtc.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_pwr.c
+    SRC += $(STM32LIBPATH)/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_usart.c
+    SRC += $(STM32LIBPATH)/CMSIS/Device/ST/STM32F4xx/Source/Templates/gcc_ride7/startup_stm32f40_41xxx.s
   else
-	SRC += targets/taranis/system_stm32f2xx.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/misc.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_gpio.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_dbgmcu.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_rcc.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_spi.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_i2c.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_dma.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_rtc.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_pwr.c
-	SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_usart.c
-	SRC += $(STM32LIBPATH)/CMSIS/Device/ST/STM32F2xx/Source/Templates/gcc_ride7/startup_stm32f2xx.s
+    SRC += targets/taranis/system_stm32f2xx.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/misc.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_gpio.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_dbgmcu.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_rcc.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_spi.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_i2c.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_dma.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_rtc.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_pwr.c
+    SRC += $(STM32LIBPATH)/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_usart.c
+    SRC += $(STM32LIBPATH)/CMSIS/Device/ST/STM32F2xx/Source/Templates/gcc_ride7/startup_stm32f2xx.s
   endif
   SRC += targets/taranis/usb_bsp.c targets/taranis/usbd_desc.c
   SRC += $(STM32USBPATH)/STM32_USB_OTG_Driver/src/usb_core.c