diff --git a/images/apple/PLASMA-2.1-4TH.po b/images/apple/PLASMA-2.1-4TH.po
index a729575..0d4c465 100644
Binary files a/images/apple/PLASMA-2.1-4TH.po and b/images/apple/PLASMA-2.1-4TH.po differ
diff --git a/src/scripts/machid.4th b/src/scripts/machid.4th
index 480861b..125611b 100644
--- a/src/scripts/machid.4th
+++ b/src/scripts/machid.4th
@@ -1,14 +1,14 @@
 ' MACHID ENDSRC
-$01 CONSTANT MACHID_CLOCK
-$02 CONSTANT MACHID_80COL
-$30 CONSTANT MACHID_MEM
-$20 CONSTANT MACHID_64K
-$30 CONSTANT MACHID_128K
-$C8 CONSTANT MACHID_MODEL
-$00 CONSTANT MACHID_II
-$40 CONSTANT MACHID_IIPLUS
-$80 CONSTANT MACHID_IIE
-$C0 CONSTANT MACHID_III
-$88 CONSTANT MACHID_IIC
-$08 CONSTANT MACHID_I
+$01 CONSTANT MACHID.CLOCK
+$02 CONSTANT MACHID.80COL
+$30 CONSTANT MACHID.MEM
+$20 CONSTANT MACHID.64K
+$30 CONSTANT MACHID.128K
+$C8 CONSTANT MACHID.MODEL
+$00 CONSTANT MACHID.II
+$40 CONSTANT MACHID.IIPLUS
+$80 CONSTANT MACHID.IIE
+$C0 CONSTANT MACHID.III
+$88 CONSTANT MACHID.IIC
+$08 CONSTANT MACHID.I
 LOOKUP MACHID C@ CONSTANT MACHID