diff --git a/Source/HBIOS/tms.asm b/Source/HBIOS/tms.asm
index 54927593..3d16b754 100644
--- a/Source/HBIOS/tms.asm
+++ b/Source/HBIOS/tms.asm
@@ -70,8 +70,8 @@ TERMENABLE	.SET	TRUE		; INCLUDE TERMINAL PSEUDODEVICE DRIVER
 ; TMS_IODELAY IS USED TO ADD RECOVERY TIME TO TMS9918 ACCESSES
 ; IF YOU SEE SCREEN CORRUPTION, ADJUST THIS!!!
 ;
-#IF (TMSMODE == TMSMODE_N8)
-; BELOW WAS TUNED FOR N8 AT 18MHZ
+#IF (CPUFAM == CPU_Z180)
+; BELOW WAS TUNED FOR Z180 AT 18MHZ
 #DEFINE		TMS_IODELAY	EX (SP),HL \ EX (SP),HL	; 38 W/S
 #ELSE
 ; BELOW WAS TUNED FOR SBC AT 8MHZ