diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 4ca4b0cf..f7b22071 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -1269,7 +1269,7 @@ HB_CPU1:
 	LD	C,(CPUOSC / 2) / 1000000
 	LD	DE,(CPUOSC / 2) / 1000
 ;
-#IF (Z180_CLKDIV = 1)
+#IF (Z180_CLKDIV == 1)
 	LD	A,(HB_CPUTYPE)	; GET CPU TYPE
 	CP	2		; Z8S180 REV K OR BETTER?
 	JR	C,HB_CPU2	; IF NOT, NOT POSSIBLE!
@@ -1281,7 +1281,7 @@ HB_CPU1:
 	LD	DE,CPUOSC / 1000
 #ELSE
 ;
-#IF (Z180_CLKDIV = 2)
+#IF (Z180_CLKDIV == 2)
 	LD	A,(HB_CPUTYPE)	; GET CPU TYPE
 	CP	3		; Z8S180 REV N OR BETTER?
 	JR	C,HB_CPU2	; IF NOT, NOT POSSIBLE!