diff --git a/Marlin/Makefile b/Marlin/Makefile
index c23173525..3d04d3677 100644
--- a/Marlin/Makefile
+++ b/Marlin/Makefile
@@ -213,7 +213,7 @@ CXXSRC = WMath.cpp WString.cpp Print.cpp Marlin_main.cpp	\
 	SdFile.cpp SdVolume.cpp motion_control.cpp planner.cpp		\
 	stepper.cpp temperature.cpp cardreader.cpp ConfigurationStore.cpp \
 	watchdog.cpp
-CXXSRC += LiquidCrystal.cpp ultralcd.cpp SPI.cpp Servo.cpp
+CXXSRC += LiquidCrystal.cpp ultralcd.cpp SPI.cpp Servo.cpp Tone.cpp
 
 #Check for Arduino 1.0.0 or higher and use the correct sourcefiles for that version
 ifeq ($(shell [ $(ARDUINO_VERSION) -ge 100 ] && echo true), true)
@@ -287,7 +287,7 @@ LDFLAGS = -lm
 # Programming support using avrdude. Settings and variables.
 AVRDUDE_PORT = $(UPLOAD_PORT)
 AVRDUDE_WRITE_FLASH = -U flash:w:$(BUILD_DIR)/$(TARGET).hex:i
-AVRDUDE_FLAGS = -D -C $(ARDUINO_INSTALL_DIR)/hardware/tools/avrdude.conf \
+AVRDUDE_FLAGS = -D -C $(ARDUINO_INSTALL_DIR)/hardware/tools/avr/etc/avrdude.conf \
 	-p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
 	-b $(UPLOAD_RATE)