diff --git a/avr/defs.asm b/avr/defs.asm
index 3de157e..35d075b 100644
--- a/avr/defs.asm
+++ b/avr/defs.asm
@@ -27,7 +27,7 @@
 .equ AQHOME_FW_TYPE_ATT84_TEMP1 = 1
 
 
-.equ AQHOME_FW_START_ADDRESS_MAIN = 0x0500
+;.equ AQHOME_FW_START_ADDRESS_MAIN = 0x0500
 
 
 ; ---------------------------------------------------------------------------