diff --git a/utils/tex2rtf/docs/makefile.vc b/utils/tex2rtf/docs/makefile.vc
index 55c0d1aa63..9c3625af4f 100644
--- a/utils/tex2rtf/docs/makefile.vc
+++ b/utils/tex2rtf/docs/makefile.vc
@@ -40,5 +40,5 @@ tex2rtf.html:         $(DOCSOURCES) tex2rtf.ini
         -erase *.ref
 
 tex2rtf.htb:         tex2rtf_contents.html
-        -zip32 tex2rtf.htb tex2rtf*.html *.hhp *.hhk *.hhc *.gif
+        -zip tex2rtf.htb tex2rtf*.html *.hhp *.hhk *.hhc *.gif