diff --git a/examples/ATtinyBlink/Makefile b/examples/ATtinyBlink/Makefile
index f73d7a0..76327a8 100644
--- a/examples/ATtinyBlink/Makefile
+++ b/examples/ATtinyBlink/Makefile
@@ -54,6 +54,6 @@ BOARD_TAG = attiny85
 # ------------------------------------------------------------------ #
 
 # Path to the Arduino Makefile
-include /usr/share/arduino/Arduino.mk
+include $(ARDMK_DIR)/Arduino.mk
 
 # !!! Important. You have to use 'make ispload' when using an ISP.
diff --git a/examples/Blink3rdPartyLib/Makefile b/examples/Blink3rdPartyLib/Makefile
index f473dbd..4658f50 100644
--- a/examples/Blink3rdPartyLib/Makefile
+++ b/examples/Blink3rdPartyLib/Makefile
@@ -15,7 +15,7 @@ TOGGLE_ARCHIVE = build-$(BOARD_TAG)/libtoggle.a
 CXXFLAGS += -IToggle
 OTHER_OBJS = Toggle/$(TOGGLE_ARCHIVE)
 
-include ../../Arduino.mk
+include $(ARDMK_DIR)/Arduino.mk
 
 Toggle/$(TOGGLE_ARCHIVE):
 	$(MAKE) -C Toggle $(TOGGLE_ARCHIVE)
diff --git a/examples/Blink3rdPartyLib/Toggle/Makefile b/examples/Blink3rdPartyLib/Toggle/Makefile
index a6234f6..d733171 100644
--- a/examples/Blink3rdPartyLib/Toggle/Makefile
+++ b/examples/Blink3rdPartyLib/Toggle/Makefile
@@ -8,7 +8,7 @@
 # and archived into the build-$(BOARD_TAG)/libtoggle.a target.
 
 include ../board.mk
-include ../../../Arduino.mk
+include $(ARDMK_DIR)/Arduino.mk
 
 build-$(BOARD_TAG)/libtoggle.a: $(LOCAL_OBJS)
 	$(AR) rcs $@ $(LOCAL_OBJS)
diff --git a/examples/MakefileExample/Makefile-3rd_party-board.mk b/examples/MakefileExample/Makefile-3rd_party-board.mk
index 96e972c..35c0ca6 100644
--- a/examples/MakefileExample/Makefile-3rd_party-board.mk
+++ b/examples/MakefileExample/Makefile-3rd_party-board.mk
@@ -52,5 +52,5 @@ ARDUINO_SKETCHBOOK  = $(HOME)/sketchbook
 ALTERNATE_CORE      = sparkfun
 BOARD_TAG           = promicro
 BOARD_SUB	    = 8MHzatmega32U4
-include /usr/share/arduino/Arduino.mk
+include $(ARDMK_DIR)/Arduino.mk