diff --git a/Makefile b/Makefile
index 20d09eb..1345032 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ robocup.elf: $(FILES:%=%.o)
 	@avr-g++ -MM -mmcu=atmega32 -Os -MF $@ -MT $(patsubst %.cpp,%.o,$<) -MT $@ $<
 
 program: robocup.hex
-	sudo avrdude -P usb -c avrisp2 -p m32 -U $<
+	sudo avrdude -P usb -c avrisp2 -p m32 -U flash:w:$<
 
 clean:
 	rm -f robocup.hex robocup.elf $(FILES:%=%.o) $(FILES:%=%.d)