diff --git a/src/header.asm b/src/header.asm
index 5ea58f5..f8b3ede 100644
--- a/src/header.asm
+++ b/src/header.asm
@@ -1,4 +1,7 @@
 
+INCLUDE "hardware.inc/hardware.inc"
+	rev_Check_hardware_inc 4.0
+
 SECTION "Header", ROM0[$100]
 
 	; This is your ROM's entry point