diff --git a/Makefile b/Makefile
index 014dd14..322ed9c 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,8 @@ CFLAGS = -Wall -Os	# Enable all warnings, Optimize for size
 LDFLAGS =
 LIBS = -lZStack -lhal	# ZStack for Zigbee communication, lhal for Hardware Abstraction Layer library
 
-SRCS = main.c zigbee_comm.c sensors/bme280.c sensors/wind_vane.c sensors/rain_gauge.c sensors/anemometer.c
-HEADERS = main.h zigbee_comm.h sensors/bme280.h sensors/wind_vane.h sensors/rain_gauge.h sensors/anemometer.h config.h
+SRCS = main.c zigbee_comm.c sensors/bme280.c sensors/wind_vane.c sensors/rain_gauge.c sensors/anemometer.c include/hal_timer.c 
+HEADERS = main.h zigbee_comm.h sensors/bme280.h sensors/wind_vane.h sensors/rain_gauge.h sensors/anemometer.h config.h include/hal_types.h include/hal_defs.h include/hal_timer.h include/ZComDef.h include/OSAL.h include/i2c.h
 OBJS = $(SRCS:.c=.o)	# create a list of object files from the source files
 
 all: main.elf