diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 983c64ef..3f1623ec 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -3266,7 +3266,7 @@ SYS_PEEK:
 	POP	IY
   #ELSE
 	POP	AF			; RECALL INITIAL INTERRUPT STATUS
-	JP	PO			; RETURN TO INITIAL STATE,$+4
+	JP	PO,$+4			; RETURN TO INITIAL STATE
 	HB_EI
   #ENDIF
 #ENDIF
@@ -3303,7 +3303,7 @@ SYS_POKE:
 	POP	IY
   #ELSE
 	POP	AF			; RECALL INITIAL INTERRUPT STATUS
-	JP	PO			; RETURN TO INITIAL STATE,$+4
+	JP	PO,$+4			; RETURN TO INITIAL STATE
 	HB_EI
   #ENDIF
 #ENDIF