diff --git a/avr/include/tn841def.inc b/avr/include/tn841def.inc
index 0e79b99..4efa775 100644
--- a/avr/include/tn841def.inc
+++ b/avr/include/tn841def.inc
@@ -1138,7 +1138,7 @@
 ; ***** DATA MEMORY DECLARATIONS *****************************************
 .equ	FLASHSTART	= 0x0000 ; Note: Word address
 .equ	FLASHEND	= 0x0FFF ; Note: Word address
-.equ	FLASHPAGESIZE	= 0x0008 ; Note: Size in words
+.equ	PAGESIZE	= 0x0008 ; Note: Size in words
 
 .equ	IOEND	= 0x00FF