Index: Makefile.PL
--- Makefile.PL.orig
+++ Makefile.PL
@@ -70,7 +70,7 @@ WriteMakefile(
     NAME         => $DISTMOD,
     DISTNAME     => $DISTNAME,
     VERSION      => '1.67',
-    INSTALLDIRS  => ($] >= 5.006 ? 'perl' : 'site'),
+    INSTALLDIRS  => 'site',
     PL_FILES     => { map { (script("$_.PL") => script($_)) } @SCRIPTS },
     EXE_FILES    => [ @EXE_FILES ],
     dist         => { COMPRESS => 'gzip', SUFFIX => 'gz' },
