diff --git a/Makefile b/Makefile
index 125b5dc..9bd9a90 100644
--- a/Makefile
+++ b/Makefile
@@ -96,7 +96,7 @@ PROGBAUD = 57600
 
 PROGRAM = mendel
 
-SOURCES = $(PROGRAM).c serial.c dda.c gcode_parse.c gcode_process.c timer.c temp.c sermsg.c dda_queue.c watchdog.c debug.c sersendf.c heater.c analog.c delay.c intercom.c pinio.c clock.c
+SOURCES = $(PROGRAM).c serial.c dda.c gcode_parse.c gcode_process.c timer.c temp.c sermsg.c dda_queue.c watchdog.c debug.c sersendf.c heater.c analog.c delay.c intercom.c pinio.c clock.c home.c
 
 ARCH = avr-
 CC = $(ARCH)gcc
diff --git a/gcode_process.c b/gcode_process.c
index 694b716..a4abaa8 100644
--- a/gcode_process.c
+++ b/gcode_process.c
@@ -17,6 +17,7 @@
 #include	"debug.h"
 #include	"clock.h"
 #include	"config.h"
+#include	"home.h"
 
 // the current tool
 uint8_t tool;