diff --git a/Source/HBIOS/hbios.inc b/Source/HBIOS/hbios.inc
index 2c6448e3..7c27b975 100644
--- a/Source/HBIOS/hbios.inc
+++ b/Source/HBIOS/hbios.inc
@@ -191,7 +191,7 @@ DIAG_7SEG	.EQU	4		; 7-SEGMENT
 DIAG_FLASH	.EQU	5		; FLASH
 DIAG_TRIG	.EQU	6		; TRIGGER
 ;
-DIAG_DISP	.EQU	DIAG_BINARY	; DEFAULT
+DIAG_DISP	.EQU	DIAG_PROG	; DEFAULT
 ;
 #IF (DIAG_DISP == DIAG_PROG)
 DIAG_00 .EQU 00000000B