diff --git a/applecorn.po b/applecorn.po
index dfb12d8..a1ddab0 100644
Binary files a/applecorn.po and b/applecorn.po differ
diff --git a/mainmem.svc.s b/mainmem.svc.s
index fc6e7ed..73026aa 100644
--- a/mainmem.svc.s
+++ b/mainmem.svc.s
@@ -139,8 +139,9 @@ COPYFILE      >>>   ENTMAIN
               JSR   CLSDIR
               PLA
               BRA   :EXIT
-:DESTTYPE     DB    $00
-:OLDLEN       DB    $00
+* Zero page
+:DESTTYPE     EQU   TMPZP+0
+:OLDLEN       EQU   TMPZP+1
 
 * Copy a single file
 * Source is in MOSFILE, DEST in MOSFILE2
@@ -253,8 +254,9 @@ COPY1FILE     LDA   #<MOSFILE
               PHP
               PHA
               BRA   :CLOSE2
-:BUFIDX1      DB    $00
-:BUFIDX2      DB    $00
+* Zero page
+:BUFIDX1      EQU   TMPZP+0
+:BUFIDX2      EQU   TMPZP+1
 
 
 * ProDOS file handling for MOS OSFIND OPEN call