diff --git a/demos/AVR/NIL-ARDUINO-UNO/Makefile b/demos/AVR/NIL-ARDUINO-UNO/Makefile
index cef0df809..da1597487 100644
--- a/demos/AVR/NIL-ARDUINO-UNO/Makefile
+++ b/demos/AVR/NIL-ARDUINO-UNO/Makefile
@@ -254,7 +254,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 # Type: avrdude -c ?
 # to get a full listing.
 #
-AVRDUDE_PROiGRAMMER = arduino
+AVRDUDE_PROGRAMMER = arduino
 
 # com1 = serial port. Use lpt1 to connect to parallel port.
 AVRDUDE_PORT = /dev/ttyACM0  # programmer connected to serial device