diff --git a/Makefile b/Makefile
index 4d25cba..5844f25 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ mapfile = memmap
 
 ##Custom Files###
 
-#TODO
+CFILES += BME680_driver/bme680.c
 
 
 ###################################################################################
diff --git a/main.c b/main.c
index c8a665b..73b4a23 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,5 @@
 #include <stm32f0xx.h>
-
+#include "BME680_driver/bme680.h"
 
 unsigned int i = 0x12345678;
 unsigned char c = 2;