diff --git a/Makefile b/Makefile
index b7d31c35b..c502b84b4 100644
--- a/Makefile
+++ b/Makefile
@@ -209,7 +209,7 @@ simposix_short         := 'posx'
 # SimPosix only builds on Linux so drop it from the list for
 # all other platforms.
 ifneq ($(UNAME), Linux)
-    ALL_BOARDS    := $(filter-out simposix, $(ALL_BOARDS))
+    ALL_BOARDS := $(filter-out simposix, $(ALL_BOARDS))
 endif
 
 # Start out assuming that we'll build fw, bl and bu for all boards
diff --git a/flight/targets/common/bootloader_updater/Makefile b/flight/targets/common/bootloader_updater/Makefile
index cd420779c..66b6530ed 100644
--- a/flight/targets/common/bootloader_updater/Makefile
+++ b/flight/targets/common/bootloader_updater/Makefile
@@ -47,13 +47,13 @@ ifeq ($(MCU),cortex-m3)
     LDFLAGS += -T$(LINKER_SCRIPTS_PATH)/link_$(BOARD)_memory.ld
     LDFLAGS += -T$(LINKER_SCRIPTS_PATH)/link_$(BOARD)_sections.ld
 else ifeq  ($(MCU),cortex-m4)
-	include $(PIOS)/stm32f4xx/library.mk
+    include $(PIOS)/stm32f4xx/library.mk
+
     # Set linker-script name depending on selected submodel name
     LDFLAGS += -T$(PIOS_DEVLIB)/link_stm32f4xx_fw_memory.ld
     LDFLAGS += -T$(PIOS_DEVLIB)/link_stm32f4xx_sections.ld
     SRC += $(HWDEFSINC)/firmware/cm3_fault_handlers.c
     SRC += $(HWDEFSINC)/firmware/dcc_stdio.c
-
 else
     $(error Unsupported MCU for BootloaderUpdater: $(MCU))
 endif