diff --git a/Source/HBIOS/cfg_n8.asm b/Source/HBIOS/cfg_n8.asm
index fb9eea28..cad7ab2a 100644
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -32,6 +32,7 @@ CVDUENABLE	.EQU	FALSE		; TRUE FOR CVDU BOARD SUPPORT
 NECENABLE	.EQU	FALSE		; TRUE FOR uPD7220 BOARD SUPPORT
 TMSENABLE	.EQU	TRUE		; TRUE FOR N8 (TMS9918) VIDEO/KBD SUPPORT
 VGAENABLE	.EQU	FALSE		; TRUE FOR VGA VIDEO/KBD SUPPORT
+SNDENABLE	.EQU	FALSE		; TRUE FOR PSG OR IOBIT SOUND
 ;
 MDENABLE	.EQU	TRUE		; TRUE FOR ROM/RAM DISK SUPPORT (ALMOST ALWAYS WANT THIS ENABLED)
 MDTRACE		.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF MDENABLE = TRUE)