diff --git a/Makefile b/Makefile
index 7f75b9f..94340be 100644
--- a/Makefile
+++ b/Makefile
@@ -52,7 +52,7 @@ TARGET = main
 
 
 # List C source files here. (C dependencies are automatically generated.)
-SRC = $(TARGET).c i2c.c lcd.c
+SRC = $(TARGET).c i2c.c lcd.c font.c
 
 # List Assembler source files here.
 # Make them always end in a capital .S.  Files ending in a lowercase .s