--- a/uid.h
+++ b/uid.h
@@ -30,8 +30,10 @@
 #define UID_ADDR 0x48CD
 #define UID_SIZE 12
 
-#define VERSION_ADDR 0xFFE0
-#define VERSION_SIZE 32
+/* Defined from the Makefile
+#define VERSION_ADDR 0xFFC0
+#define VERSION_SIZE 64
+*/
 
 extern void send_uid(void);
 extern void send_versioninfo(void);