diff --git a/examples/Makefile.blinky b/examples/Makefile.blinky
index 1357b73..58dccf1 100644
--- a/examples/Makefile.blinky
+++ b/examples/Makefile.blinky
@@ -4,11 +4,11 @@ LDLIBS = -nostdlib -Wl,--start-group -lmain -lnet80211 -lwpa -llwip -lpp -lphy -
 LDFLAGS = -Teagle.app.v6.ld
 
 blinky-0x00000.bin: blinky
-    esptool.py elf2image $^
+	esptool.py elf2image $^
 
 blinky: blinky.o blinky_main.o
 
 blinky.o: blinky.c
 
 flash: blinky-0x00000.bin
-    esptool.py write_flash 0 blinky-0x00000.bin 0x40000 blinky-0x40000.bin
+	esptool.py write_flash 0 blinky-0x00000.bin 0x40000 blinky-0x40000.bin
diff --git a/examples/Makefile.esp8266_at b/examples/Makefile.esp8266_at
index 8726937..80cb531 100644
--- a/examples/Makefile.esp8266_at
+++ b/examples/Makefile.esp8266_at
@@ -5,7 +5,7 @@ LDLIBS = -nostdlib -Wl,--start-group -lmain -lupgrade -lnet80211 -lwpa -llwip -l
 LDFLAGS = -Teagle.app.v6.ld
 
 at-0x00000.bin: at
-    esptool.py elf2image $^
+	esptool.py elf2image $^
 
 at: driver/uart.o \
     user/at_baseCmd.o \
@@ -17,7 +17,7 @@ at: driver/uart.o \
     $(CC) $(LDFLAGS) $^ -o $@ $(LDLIBS)
 
 flash: at-0x00000.bin
-    esptool.py write_flash 0 at-0x00000.bin 0x40000 at-0x40000.bin
+	esptool.py write_flash 0 at-0x00000.bin 0x40000 at-0x40000.bin
 
 connect:
-    picocom -b 115200 --omap crcrlf /dev/ttyUSB0
+	picocom -b 115200 --omap crcrlf /dev/ttyUSB0