diff --git a/code/.gitignore b/code/.gitignore
new file mode 100644
index 0000000..12b610b
--- /dev/null
+++ b/code/.gitignore
@@ -0,0 +1 @@
+nixie.elf
diff --git a/code/Makefile b/code/Makefile
index 9943536..b8ac43a 100644
--- a/code/Makefile
+++ b/code/Makefile
@@ -1,6 +1,6 @@
 compile:
-	avr-gcc -DF_CPU=8000000 -Iavr-i2c -Iavr-ds3231 -Os -flto -mmcu=atmega48 main.c avr-ds3231/ds3231.c avr-i2c/i2c.c -o nixie
-	avr-size -A nixie
+	avr-gcc -DF_CPU=8000000 -Iavr-i2c -Iavr-ds3231 -Os -flto -mmcu=atmega48 main.c avr-ds3231/ds3231.c avr-i2c/i2c.c -o nixie.elf
+	avr-size -A nixie.elf
 
 flash:
-	avrdude -p m48 -c usbasp -P usb -B4 -U flash:w:nixie
+	avrdude -p m48 -c usbasp -P usb -B4 -U flash:w:nixie.elf
diff --git a/code/nixie b/code/nixie
deleted file mode 100755
index bec1614..0000000
Binary files a/code/nixie and /dev/null differ